Extra Large Gel Seat Cushion -17x17 inch Double Thick Orthopedic Seat Cushion with Non-Slip Cover - Office Chair Car Seat Cushion - Tailbone Cushion - Coccyx Cushion - Sciatica Pillow for Sitting

Soft and comfortable.

WOW....literally just received it and sat on it, can instantly feel the improvement. Feels great. Just going on to buy another one for my chair in the office as well!! The 17x17 inch size is really good to cover the full chair. I have had one of the before but way smaller and this one is 100% better!

منتج رائع جدا لو يتم تغطية الفتحات واشكر البائع وامازون فتعاملهم راقي جدًا

It rolls up, doesn't stay in place.It's not comfortable at all either.

Very comfortable. Great for long drives

I'm 6-foot, 210 lbs. and at home I sit in a Herman Miller Aeron chair, which has no seat padding. After weeks of full days working at home, I realized I needed to add some seat padding. I tried my wife's Purple brand "Royal" model for a few days, and it felt great but was not long enough for the Aeron chair. So I found this 17.5" x 17.5" (size large) product for half the price of the same size Purple cushion. Unlike some other reviewers have indicated, this really is the claimed 17.5" wide by 17.5" long, though it's really only about 1.5" thick. But the real problem is that the walls of the "waffles" are way thinner than the real Purple cushions. It feels OK when you initially sit on it, but if you shift your weight at all, e.g. left or right, the walls collapse, and thus the support collapses. The result is that, after about 30 minutes of use (including shifting one's weight), the cushion bunches up in the rear of chair seat. This never happened with my wife's Purple cushion, so I'll be buying one of those. In this particular case, you apparently do get what you pay for.

This cushion has added 0 effect other than some aggravation, WILL NOT STAY PUT WHEN YOU MOVE ! Maybe this could possibly be helpful for anyone under 100lbs ??? But that’s a big maybe???My husband found it so aggravating the way it continually moved and slid out the back and or side of his chair he was unwilling to give it any real time to try it. Can’t say I blame him. This Coushin is super thin . And slides all over when u move at all.purchased this for my husband’s wheelchair, it would not stay put. I began to use it on my office chair and honestly don’t feel any difference’s with or without it.except that it often falls off my chair when I get up, and always has be moved into place before sitting down . More annoyance than help. Regretful purchase. Expensive for what it is.