In our evaluation of the Bathmate we examined every penis pump in the Hydro series, which includes the Hydro, Hydromax, and Hydroextreme models. We offer thorough testing and analysis. Bathmate Gif
With over one million delighted customers, a customer satisfaction rate of 95 percent and a unique technique which increases the size of the penis to an average 2 to 3 inches, up to 5.
Bathmate’s penis pumps that are vacuum-filled have a commanding presence in the market for products for male enhancement.
It could be a treatment for erectile dysfunction, Peyronie’s disease, rehabilitation from prostate cancer, an astronomical increase in penis length and size, as well as increased sexual pleasure: erectile dysfunction (ED) or Peyronie’s disease (Peyronie’s), and enhanced sexual pleasure: erectile enhancement
Everything you must be aware of about Bathmate Hydropumps is covered in the article.SHOP BATHMATE
Bathmate Review: What is Bathmate Penis Pump?
Here are the four most important elements you need to know:
1.) The Tube that you’re supposed to put your penis.
2) The Comfort Ring It is placed at the base of male genitals (without any testicles). The reason this is named is due to the fact that it allows you to press the Bathmate firmly into your body. This stops air from entering and results in the formation of a vacuum. You will not be able to increase in the length of your penis or increase its circumference if your seal is incorrect.
3) The Pump. When you squeeze the penis against your pelvic seat and the water is released by your grip, and then when you release your grip, your penis is “pumped” through the creation of vacuum pressure. The penis is a tough skin that can endure repeated usage. It is completely in control due to the fact that you can squeeze it lightly or with a firm force.
4) The Latch Valve. It lets you adjust the pressure, and it is able to be closed and opened using just one hand due because of its ergonomically designed.
How Does a Bathmate Hydropump Work?
In the event that the tube gets filled with water in it’s Bath or Shower, the water pushes air out from the interior of the tube.
After inserting your penis in the tube, you then press your Bathmate tightly against your body, at the base of your penis while you hold it inside the tube.
Because the comfort ring is pressed against your body, it’s difficult for air to get in, which results in the formation of a vacuum.
When you pump water through the tube process causes the vacuum pressure to suck blood into your penis.
The blood is drawn into your penis to offset the shift in pressure in the tube, which puts the heart at a lower pressure. An erection is caused by an increase in the flow of blood around the penis, and its duration depends on how sexually stimulated a person is.
The erection may last for up to half an hour. If you’re looking to increase its size you’ll have to work regularly.
Growth on the dimensions of the penis are a requirement for a program in the same way that the growth of muscles does.
Bathmate suggests that you use your water pump every day for at least 4-6 months , for fifteen minutes in total which is broken down into three periods that last five minutes each (a total of three 5 minute usages).
As your penis expands As your penis grows, you’ll have to replace your current Bathmate with one that is one size larger.
This is like to how you would raise the size of the dumbbells that you use to lift weights.
How Do I Use a Bathmate Hydropump?
Whatever penile pump in the Bathmate Hydropump product line — the Hydro7 or the HydroMax, or the HydroExtreme–you pick the one that will assist you achieve your objectives efficiently the method in which you apply each product to your penis is similar.
1.) Take five minute to immerse yourself in warm water to smooth the skin on your penis and scrotum.
This will decrease the chances that your testicles will be drawn into the unit. If you are ready to utilize the Bathmate device, make sure to keep your testicles away from the tub by bringing them back using the hand that’s not being used to place the device.
Even if there’s no chance of being injured in this situation It would be uncomfortable.
2) While you’re in the shower, you can hold the Bathmate upside down so that it’s being sprayed with water, but ensure that the black hole on the top of the device is shut.
There is no need to close the clasp on your Bathmate in case you intend to use to bathe in it; all you have to do is submerge the gadget in the water.
3.) Put your penis that is sagging into the tube , pressing your Bathmate tightly onto your pubic bone to ensure that the gadget is properly sealed.
Bathmate penis pump Bathmate penis pump is angled either upwards or downwards depending on what feels more comfortable to the person using it.
4) For the first time begin by removing the black cap from the device’s top , and then lift the cap.
With each pump, you will see small bursts of liquid to escape.
The penis being pulled into the chamber. You will also feel that your skin is stretched.
In the wake of the shift in pressure, the blood vessels within the penile region will begin to dilate that will result in the formation of an sexual erection.
Because of the way that the water distorts your vision the circumference of your penis will appear like it has increased.
5.) Before you remove you penis out of the tube disable the quick-release mechanism by pushing the valve cap backwards to let the vacuum out.
This should be done before removing your penis from the tube. If your Bathmate is not inserted firmly enough into your pubic bone in order to seal the device, pumping it while you’re showering can be more difficult since air can come in and cause a decrease in suction.
This is the case in the event that the device isn’t sealed properly.
Pumping should begin as soon as the black cap on the bottom of the device is removed; if you don’t, water will spill from your Bathmate Hydropump. If you notice that air has gotten trapped between the comfort rings between the pump and comfort ring, you could discover that taking off the comfort ring before filling and changing it after pumping is easier.
Higher pressure is possible through shorter, more efficient pumps while lower pressure could be achieved by using slow pumps.
It is recommended to remove the vacuum, then refill the device, then start pumping two or three times throughout an hour-long session.
This will help you achieve the most significant gains possible from every workout.SHOP BATHMATE
Are Bathmate Hydropumps Safe To Use?
As long as they are properly used and the guidelines that are provided by their manufacturer followed The Bathmate vacuum pumps don’t cause any harmful undesirable side effects and are non-invasive.
Penis extenders are an alternative to penis pumps that are conventional. Penis injuries can occur and one of the most common causes is the excessive pumping of the genitalia.
When it’s done frequently or for too long a time, over-pumping and misuse could cause damage to the tissue, which may result in less sexual erections.
“Men will over-pump,” says Dr. Christopher Fox, a senior lecturer in sexual health at the University of Sydney.
Because of this, there is a possibility of injury to the penis’ vascular system.
It is highly recommended that this procedure be performed with the guidance of an sex therapist who is knowledgeable of what they are doing or another pumper who has previous experience with the procedure.
The recommendation of experienced users is to make sure the water is hot, massaging the penis with a massage to warm up muscles prior to beginning the workout, and start with a basic program that lasts between five and ten minutes each day.
Gradually, you can progress to sessions lasting twenty minutes.
There’s an exception to this rule in the case of taking warfarin or another kind of anticoagulant that thins blood, or you suffer from any kind of condition that affects how your blood clots.
Which are the circumstances that permit the usage of Bathmate Hydropumps, or any other type of penile pump is considered to be safe?
Fluid retention is one of the negative effects commonly associated with utilizing the penile pump which is water-based.
It occurs when the suction that drawn blood flow to the penis is also drawing in fluid. This is a sign that the penis is at its capacity to the max.
In the course of this, the skin that covers the penis gets swollen and the penis’s circumference also expands.
This does not have any effect on the growth of the penis, but it can cause an enlargement in the shape of a doughnut at the bottom of the penile glans.
After twenty-four hours, it should go away, although it depends on how much fluid retention you have. According to the recommendations made by Bathmate The most effective method of avoiding liquid retention would be to break up long sessions lasting 15-20 minutes into shorter sessions that last 4-5 minutes.
Which is Better, Bathmate Hydropumps or Traditional Air Pumps?
Short answer: Bathmate Hydropumps.
The benefits inherent to warm water, which makes the penis’s tissues more elastic and enhances natural blood flow through vascular dilation, are utilized in Bathmate pumps to enhance their effectiveness.
Warmth can have a cooling effect on nerves, which stops the discomfort that occurs during stretching and bending.
This is something those who utilize standard air vacuum pumps commonly report experiencing.
This effect can be replicated by applying a warm towel to one’s penis for a couple of minutes before using a conventional pump.
But, if you utilize the pump before the game the time you spend in preparation will mean longer time away from playing.
It is evident which one of two options – having the feature included in your routine for pumping or adding an additional step-will provide you with the greater degree of convenience.
When using air pumps, the need for lubrication is essential to keep the penis’s suppleness throughout the stretching process However, this requirement is avoided when water is utilized.
Water is more dense than air and provides the same distribution throughout the penis because of this characteristic.
Bruising is one of the side effects of using air pumps. It’s due to parts of the penis having excess pressure that is applied due to unequal air distribution.
This might result in bleeding underneath the skin as well as teeny-tiny red spots on the penis. A gauge that indicates the current pressure is usually present on conventional pumps.
If you reach too high, there is no mechanism to relieve the pressure and air will continue to get compressed inside the tube even if there is no means to vent it.
It is your responsibility to decide what is enough pressure and to make sure that it isn’t exceeded.
Do you know what the ideal air pressure level is for a certain circumstance?
In the event that you pump too fast or excessively the one-finger valve of Bathmate Hydropumps will release the pressure.
The possibility of pumping to maximize profits with no risk of injury due because of the structure of Bathmate, which prevents water from getting into the tube, and in turn, causing pressure right from the start.SHOP BATHMATE
What are Bathmate Penis Pumps Used For?
Based on the results of a poll that was conducted in the year 2020 by Bathmate and Bathmate, they found that 70 percent of respondents had experienced a size rise.
Premature ejaculation. A mild numbing effect can be achieved using a bathmate hydropump for 5-10 minutes right before engaging in sexual activity.
This effect may assist the session to go on for longer. You can also avoid premature ejaculation through training your penis to remain erect for extended durations without the prospect of sexual release.
This is another way of to avoid premature ejaculation. Even if your penis is pressing on your Bathmate and you aren’t in a position to feel relief by pumping your legs unless you get it removed first.
Harder erections. The same survey was that was conducted in 2020 by Bathmate 76% of respondents reported having stronger erections.
In addition to this it is possible to achieve this by utilizing the pump prior to sexual activities while wearing an erection band.
After you’ve removed your Bathmate the bandage will stop the blood that was pulled into the penis from draining as fast.
This will keep your erection stronger for an extended period of time, and will prepare you for your partner.
It is crucial to be aware that the ring needs to be snug against the body to allow the erection to be maintained and can be uncomfortable for certain men.
Stimulation of the male organs for sexual stimulation and play. When you get an erection, you may be awed by intense sensations, and when you consistently get a strong erection, your desire to have sexual experiences may rise.
In addition, vacuum penis pumps produce erections while being used however, they also have the potential to stimulate an increase in the amount of natural erections and greater intensity of orgasms.
Penis pumps produce a sucking sensation, which can be very delightful, and they are a great choice to masturbate as well as foreplay in the areas of edging, light control and complete dominance.
They are incredibly multi-functional and versatile toys.
Even though they were never intended to be used on other body parts it is possible to get imaginative using the pumps.
Pumps can be put on the clitoris, the nostrils, as well as other erogenous areas without any risk.
Bathmate Penis Pumps Review For Erectile Dysfunction
Oral medications or pharmaceuticals that are pushed via the tip of your penis into the tube inside, shots that you inject through your penis and surgically installed penile implants all are prone to cause adverse reactions, fail to work, or be downright hazardous.
Bathmate Hydropumps, when utilized appropriately, enhance the oxygenation of penile tissues, which can help in maintaining the length of the penis after an operation to remove the prostatectomy.
They also help minimize the possibility of abnormal fibrous tissue growing within the penis.
This helps to preserve erectile function.
Erectile dysfunction sufferers who use vacuum penis pumps are able to achieve a hard erection and notice a significant improvement in their sexual satisfaction.
This percentage ranges from 80 to 90 percent.
The treatment of a Bathmate Hydropump in treating the problem of erectile disfunction is as compared to other treatment options cost-effective in the long run, noninvasive, and it can be used alongside other medications.
Additionally, it may aid men in regaining their the erectile function after surgical procedures.
If you are treating erectile dysfunction using the Bathmate Hydropump, you have the option of either making use of it right before engaging in sexual activity to stimulate the flow of blood and create an erection, or establishing a regular routine in which you make use of it every day for a minimum of five days every week and work your way up to 20-minute sessions on a regular basis.
This will improve sexual quality and the effectiveness of natural erections, eliminating the need for you to resort to using Bathmate prior to engaging in sexual activity.
Penis Pumps & Prostate Health
Nerve damage and shrinkage of the penile are two common adverse effects of prostatectomy being seen in about 70% of patients and both effects become worse over time.
Studies conducted in clinical settings have proven that those who utilize the penis pump vacuum are able to keep the size of their penis prior to surgery and get sexual function back faster after surgery.
A lack of natural erections can be the result of postoperative nerve damage that can cause a deficiency in the amount of oxygen that is reaching those tissues in the penis. It could be that a deficiency in oxygen may result in the formation of fibrous tissue.
This could result consequently that it causes long-term erectile dysfunction.
Based on numerous research studies, medical professionals suggest using penis pumps in rehabilitation to improve the flow of oxygen to the penis and to maintain tissues.
This can help to avoid this from occurring. In an study carried out in the year 2011 13 men who underwent prostatectomy combined the use of penis pumps with Tadalafil (20 mg, three times per week, and daily pump use five days weekly) and the results were compared to the control group of seven men who received 20 mg tadalafil alone.
The group that was treated with tadalafil experienced less improvement in erectile dysfunction.
People who used the penis pump received greater scores for the penile’s resistance on the International Index of Erectile Function.
In addition, 92 percent of the men in the penis pump group were able to achieve intercourse to orgasm, whereas only 29 percent of the men who were in the tadalafil only group were able to do so.
After surgery, another 42 men began using a penile pump on a daily basis for a period time period of 90 days.
One of the men saw a decrease in the length of their peniles by at least 0.4 inches.
In comparison to the typical 48 percent of men who experience a significant decrease in the length of their peniles following prostatectomy and are not treated with rehabilitation using penis pumps.
The percentage of men who gain from this treatment is significantly higher.
Penis pumps that use an air vacuum showed a distinct and significant impact.SHOP BATHMATE
Bathmate Review For Peyronie’s Disease
Peyronie’s disease is a noncancerous illness in which the penis develops fibrous scar tissue, which results in erections that are painfully bent and painful.
The cause of this condition is the development of the disease Peyronie’s.
Peyronie’s disease can hinder a man from having sexual activity, induce erectile dysfunction, and shorten the penile shaft.
The pressure applied to the penis through penis pumps that are vacuum-operated can cause plaque to break down or be repaired. This ultimately leads to the penis curvature becoming more straight.
The effectiveness of using penis pumps with vacuum was investigated over the course of a year in a study that involved 31 males diagnosed with Peyronie’s disease.
The treatment produced significant improvement in the penis’ length, and the curve of the penis was also improved in 21 males.
People with the condition should only use a penis pump if their condition has not changed in at least three months and their curvature isn’t extreme after two sessions every each day for at least a month.
This is a vital thing to remember.
Do Bathmate Penis Pumps Increase Penis Size?
Based on Dr. Christopher Fox, “Men who use penile pumps recreationally report big gains in sizes. Of course, the size decreases if you don’t maintain the pump, but men who do report significant gains in sizes.”
Based on the findings of clinical studies, patients who use penis pumps with vacuum as a treatment for erectile dysfunction report an overall high level of satisfaction.
Bathmate offers an claim support page on their site that provides impartial reviews, outcomes and endorsements as well as before-and-after videos of healthy penises who claim to have gained 30 percent in penis length and girth after using the product for six months.
According to a study conducted by 2020 on 12,000 Bathmate customers Bathmate, 81 percent claimed having more erections. 70.6% reported having longer erections after having used the product for two months.
When only the HydroXtreme was taken into consideration, 92.9 percent of users reported noticeably improved erections, and 80 percent experienced longer or better sexual erections, or both.
Your penis will increase in length and circumference as you continue to utilize it frequently.
You will, however, need to continue utilizing your Bathmate if you want your gains to last.
If you don’t do the work then you’ll get rid of the results similar to when you’re working to build muscle at the gym.
There is no evidence to suggest that these devices bring about any meaningful long-term gain in size, according to Professor Wylie, who is an expert consultant in the field of sexual medicine. In a study that was published in 2011 and titled ” Non-invasive methods of penile lengthening: fact or fiction,” the researchers concluded that there was no evidence to back the notion that penis pumps result in permanent changes in size even if they are not being used regularly.
Penile size can be maintained for longer time in men who utilize the penis pump three to five times a week for 20 minutes.
However, if they stop pumping for even a couple of days the penis will shrink back at the same size as it did before they began pumping. If it is pumping your penis you will notice a slight increase in size.
Through continued use an already larger penis is not only kept, but it can also be significantly increased in size.
This is sufficient for some men, and when put into perspective, how is a daily 20-minute exercise any different from a skincare routine or a workout that’s the same length, if the result is a considerable boost in confidence in the bedroom?SHOP BATHMATE
Which Bathmate Hydropump is Best for Me?
Bathmate Hydropump Bathmate Hydropump product line is available in a variety of sizes. The size that is right for you will depend on more than your existing size but also what you hope to accomplish with the vacuum penis pump.
If your natural penis size is that number of inches or lower when it is standing up then the model of that product that is most suited to your needs is theHydroMax3 model of that product.
Other examples of models with numbers are the HydroMax5 model and the HydroMax7 model.
If you’re planning to use the HydroMax5 penis, you’ll require an esoteric that is at four inches or more; for the HydroMax7, you’ll need one that is at minimum 7 inches tall and so on. It is vital to choose the correct dimensions for your Bathmate hydropump to achieve the greatest possible outcomes from it.
This enables a baseline to be set for future improvements but, if the pump is not of the correct size, you may not get the right pressure, which may cause not achieving results, results that are less impressive or a bad experience.
How to Correctly Measure Your Penis Size
1.) Measure yourself using your penis straight.
Penis length is determined from its top, that is, the one that is facing you when you look down at yourself.
It is not measured on the penis’s bottom, which is closer to the testicles.
2) With any excess fat or pubic hair pulled away from you, measure length in inches of your tailbone all the way back towards your pubic bone.
3.) To determine girth to determine girth, wrap the tape around your shaft in the spot where it is the thickest.
Make a note of the place where the two tape ends meet.
To start, use the size calculator on Bathmate’s website to determine the most suitable pump for your measurements, simply enter your measurements of length and girth in the units of measurement you prefer.
The Bathmate Hydropump Product Line
Bathmate offers Bathmate’s Hydro7 kit for first-time users Bathmate also offers HydroMax and the HydroMax and HydroMax Wide Boy for experienced users, and the HydroXtreme and HydroXtreme Wide Boy for experienced users looking to maximize their growth in size. All of the products are available at their site.
Hydro7, formerly “Bathmate”
It was the first Hydropump from Bathmate and was brought to the market in 2006 under the name “Bathmate Hercules.” Hydro7 revolutionized the penile pump market due to its water-based nature and cost half as much as its closest competitor.
The Hydro7 is ideal for those with penises between 5 and 7 inches in length when they’re upright and was designed to support the average consumer starting out.
Three colors are available for the Hydro7: red, white, and blue.
When purchased directly on the Bathmate website All of Bathmate’s hydropumps come with a 60-day refund policy during which there are no questions to be asked with a two-year guarantee and free shipping.
Because Bathmate has distribution warehouses all around the world, the majority of orders will be fulfilled within five business days and all products will be delivered in unremarkable, unmarked packaging.
Bathmate HydroMax Series
The Hydromax series of vacuum penis pumps is the most widely used penis pump in the world and has a customer satisfaction rating that is greater than 92 % of the customers who were polled.
The pump has more power than the Hydro7 one, making it suitable for those who want to see steady but substantial growth or who have a beginning sexual length that is more than seven inches.
Bathmate HydroXtreme Series
The HydroXtreme series is designed for advanced users looking to make the highest gains in size as swiftly as is possible.
Bathmate’s Bathmate HydroXtreme penis pump has the handball as an additional element, which helps to maximize the pressure and gives an additional 35 percent suction than comparable pumps.
The HydroXtreme line of Bathmate comes in five different variations Each comes with a free accessory package.
For customers who have outgrown traditional vacuum penis pumps The HydroXtreme product line includes options ranging in size from HydroXtreme5 to the HydroXtreme11.
HydroXtreme11 HydroXtreme11 is the biggest penis pump ever to have been created.
Cleaning Kit ($46.98). A collection of accessories to ensure the longevity the pump.
This kit is vital regardless of the fact that it will cost you an additional cost when you pay.
This is due to the possibility of high bacteria growth in warm water and the pump has to be maintained clear to ensure that the rubber will maintain its malleability.
Cushion Rings ($14.98. Rings for cushioning that can be added to the base of your pump prior to use, making the procedure of pressing the seal into your pubic bone more enjoyable and less painful.
The Capsule Travel Case ($46.98). A sturdy case that protects your pump from damage and ensure your privacy when traveling.SHOP BATHMATE
How to Get the Most Gains with Your Bathmate Hydropump
What is Jelqing?
Bathmate suggests using jelqing as a manual workout to be utilized alongside the Bathmate Hydropumps.
Jalqing originates from the Middle East as a rite of passage, which dates back to the ancient Arabic civilizations. Jelqing can be useful in warming up the tissues of the penis, preventing fluid retention, and also in training and getting your penis ready in a safe manner for the more rigorous pressures that are exerted to the penis by the hydraulic pump.
Alongside using your Bathmate Hydropump, it is recommended to make jelqing a an element of your daily routine.
1.) Make sure that the penis is warmed up and pliable before increasing blood flow by applying hot water or a warm towel to the region.
This will help the penis expand more easily.
2.) Apply lube and, with a good finger grip and encircle the top of the semi-erectcock.
Repeat this process repeatedly. When you move the grip, make sure you only apply pressure in one direction, working from the base until the tip, and you should avoid pulling the foreskin back.
3.) It is crucial that you never jelq with an entire erection. Beginners should stop jelqing when their penis is fifty percent of an effective erection following one hundred fifty repetitions.
This percentage can be raised to seventy-five percent, then ninety percent. However, beginners should never jelq full erections.
Build a Workout Routine With Your Bathmate’s Hydropump
It’s crucial to keep up the pump if you want to increase your penile size and keep the ones you already have. Doing this can help sustain your gains.
It involves forming a routine workout routine that is tailored to your specific time and space constraints goals, as well as the amount of work you believe you are able to put in.
The advocates of the Bathmate Hydropump who have more experience classify routines as either “Newbie,” “Intermediate,” or “Advanced.”
No matter if you’ve been using jelqing for long time, your level depends on how comfortable you are with Bathmate Hydropumps.
It is important not to overdo it , and gradually progress to more intense workouts using a pump for vacuum; this is important for the same reason that it is essential not to do too much when you are building muscle.
You can experiment with the various Bathmate Hydropump routines offered in every level to see which cause your penis to respond most positively.
An example of a straightforward routine for beginners might go something like this:
- Week 1 & 2 2: Pumping sessions lasting 5 to 10 minutes, four times each week.
- Week 3 & 4 Pumping sessions lasting 10-15 minutes, 5 times per week.
- Week 5 & 6 5 and 6: Pumping sessions lasting 15 to 20 minutes, 6 times each week.
Be sure to take at minimum one day of rest each week is essential and you shouldn’t exceed six times.SHOP BATHMATE
Alternative Vacuum Penis Pumps to the Bathmate Hydropump
Bathmate hydraulic penis pumps which is evident by its winning from its Venus award for best new product in 2014 and the award for the best male enhancement device in 2012.
Penomet, much like Bathmate is in essence an water-based vacuum device which can be utilized for showers, the bath, or even as an penis air pump.
Its versatility makes it a great choice.
Penomet utilizes the AquaPressure technology to provide the perfect vacuum pressure.
Penomet pumps can be adjusted, constructed from polycarbonate plastics that , according to the company, are almost unbreakable. Furthermore, they have five gaiters that are made of medical-grade silicone that each have different suction force.
When you buy the Penomet, which has all five gaiters and you’ll be able to utilize the same pump that you used the first time you use it to the end of several years of improvement and future training. Making use of multiple models of Bathmate
Once your penis has grown by a specified percentage, all additional gains you achieve will be limited to maintenance, only till you can upgrade your model that is more space as well as a greater suction. It’s easier to track your progress in the areas of training, growth or recovery when you only use one model. Penomet products are available in a range of sizes and models, including the Force 60, 65, 70 and 75 along with their Extreme Force 80 and X85 Monster Gaiter The latter is the primary rival to Bathmate’s HydroXtreme11.
After more than ten years of research and testing, it was discovered that Penomet devices used for six months and six sessions per week led to up to a twenty percentage increase in the length, a thirty percent rise in thickness as well as an improvement on the quality overall of an protracted erection.
Penomet, much like Bathmate offers a money-back assurance for the first sixty days and a warranty which lasts for three consecutive years. Two-year warranty is offered by Bathmate.
The initial investment is the biggest drawback that comes with Penomet penis pumps in comparison to Bathmate Hydropumps.
When compared to the Bathmate HydroXtreme11, which retails for $399, Penomet Premium package, which includes all gaiters from the beginner gaiter through the Extreme Force 80 gaiter, is priced at a suggested retail value of $457. Bathmate Gif