tsumbay comfort seat cushion for office chair - ergonnomic 100% memory foam firm coccyx pad - relieve back pressure - washable & breathable cover - for car seat/computer chair/wheelchairs tsumbay <b>raving reviews say (from cc03)</b>: the product came in just a vacuum sealed plastic. once the plastic is removed, the seat cushion expands to its normal form. immediately i noticed how soft the memory foam is, it is soft enough to even use as a pillow. the fabric cover is breathable and lets air pass through efficiently. it also has a zipper to remove the foam out to easily wash the fabric cover. i usually take quick breaks every 30 minutes to let my skin breathe, but now i can sit longer comfortably. even if i sit several hours, once i get up, the seat cushion expands again to its original form. very good quality......<br><br> <br>relax in luxury with the tsumbay comfort memory foam seat cushion. the cushion features an ultra-soft cover with a non-slip bottom, that’s washable. it’s universal for office chairs, plastic chairs, stadium & airline seats - works excellent on any outdoor, patio, or garden chairs. designed for ultimate comfort !<br><br> <b>features:</b><br> 1.the high quality cover can easily be removed for cleaning. <br><br> 2. high-quality memory foam, breathable mesh- everything for your comfort. large and comfortable zippers allow you to quickly and easily remove the covers for washing. <br><br> 3. the cushions are easy to lift and so are perfect to take with you on-the-go for maximum comfort and support while traveling.<br><br> 4. our cushion’s non-skid bottom design means your cushion will stay put on your seat or chair—no more slip-sliding away!<br><br> 5. tsumbay replacement policy: we care about your experience with our products. and to show that we’re here to help, we pledge to replace your product should anything ever go wrong. <br><br> <b>warm tips:</b><br> 1.due to our cushions are vacuum-folded and packaged, it's normal to receive the product with creases. after a few hours of normal use, the creases will disappear.<br><br> 2.the pad measures 16.9”x15.0”x2.2”in, if you worried it doesn’t fit , you can measure the seat before purchase.