The Flip Hole Red by Tenga is a male masturbator. It would be classified as a sleeve. Basically you insert your penis into the hole and there is texture and tightness which is meant to create stimulation. The tenga is repeatedly moved up and down until your are done playing with it. This is a great foreplay, solo, or partnered masturbation toy. All uses work well. It also comes with three different types of lubricant designed to alter the sensation each time.

This is definitely a handheld masturbator. It requires one to two hands. You need to move it up and down. Also there are "buttons" on the side which you can you press on to change the sensation of the toy. You could wedge it between a mattress, but then the buttons would be unusable.

This toy is designed to stimulate the penis. I do not think there are any other areas you could stimulate with this toy.

This toy has a lot of texture and is a bit less tight then some of the other tenga flips. So this is designed for someone who wants a lot of stimulation and has an average to large sized penis. Other options would work better for someone with a smaller girth.

The flip hole red is comprised of two materials. The first is the outer plastic shell. This is a hard plastic that is similar to most plastics you could find around your house. It is non-porous, hard, and very smooth.

The inside material is the real important material though. This is what provides the stimulation and is the real toy. The outside is really just a container for it.

The inside material is TPR Silicone. It is very soft and squishy and is filled with texture. There is texture everywhere on this toy and all of the texture is different from itself. There are spirals and zig zags, and bumps. Overall the silicone is very smooth when lubed up and feels very good. The texture is intense and really creates a pleasant experience.

I would say the texture is good for everyone. It is a nice and soft material that I think almost anyone will enjoy.

The size of the toy works well. You can fit the entire toy in one of your hands. If you are using this on your boyfriend and have very small hands then there might be a little difficulty in using this with just a single hand. Especially using the buttons.

The length of the toy is good. I think it is long enough you average user is going to completely fit. For those of you who are really long there might be a small issue. But I think this toy is comparable in size to most masturbators.

The shape of the toy was fine. An circular tube is nice and easy to hold on to and makes the most sense in my opinion.

This toy is a little on the bigger size, so I think average to larger users will get the best use out of this toy. There are other tenga toys that are smaller, and they would be a better option for someone with less girth.

The Tenga has a unique controls. There are three "button". These are not really button, but instead just places you can push on the material. This lets you make the entrance, the middle, or the end of the toy tighter if you want. You can push on one or all three at the same time. It just makes this toy a lot more versatile, because you can create a new sensation every time you use it. Each combination of buttons and the order you press them in creates a new sensation. Overall a very cool feature.

The toy performed very well. It provided a lot of sensation. It is a bit larger, so those who have a smaller girth might not find it as stimulating. There is a lot of texture inside. And it felt good. There is really not that much to say about a masturbation sleeve. You pull it up and down and up and down and it either feels good or it doesnt. And this one felt well. It easily fit in one of my hands. I could use the buttons with the single hand too. Or use my other hand if I wanted to.

This toy could technically be used underwater, but I am not sure how that would work. I think you would not get enough friction for it to feel really good, but you could try.

This toy is easy to take care of. Every time you use it you just slide off the piece that holds it together. This lets the toy fold out and apart from each other. Then you can take some soap and water and just gently scrub the toy down. Put it upside-down to dry and you are done.

It has a nice piece to store it that covers the entrance to the toy when it is not in use. The case is very hard and protects the inside sleeve.

This toy should only be used with oil or water based lubricants, NOT silicone lubricants as they could damage the toy.

The toy comes in a large plastic tube. You can see the toy, so it is not very discreet. It also comes with three lubricants. Two are just normal water based lubricants, and one is a warming lubricant.

The toy already has a hard plastic case, so it does not need to be stored in anything. I think most people would just throw the packaging out.