The Largest Cooling Gel Pad Covered over Memory foam, contains Gel Beads, designed to help absorb heat and draw it away from your butt, giving you the best cooling effect during the Summer. The gel seat cushion for long sitting keeps you comfortable and cool even after hours of sitting. 100% Premium High Density Memory Foam Cushion: Our high quality memory foam of office chair cushions provide better support and greater comfort, keep a snug fit through the day, with a machine-washable layer of linings to protect it intact & not getting dirty for your long-term daily use. The computer chair cushion is a great pressure relief seat cushion for anyone who spends long hours sitting in the office, and is also a perfect seat cushion for sciatica pain relief. Zipper Design & Machine-Washable Cover, Easy to Clean: The zipper design and detachable seat cover can better clean the chair seat cushion. The removable cover made of 95% polyester & 5% spandex is machine-washable so you can easily keep the chair pillow clean and stain-free. The special dotted texture & non-slip rubber design ensures that the cushion will not slip off easily on any seat, making it an ideal office chair cushion for elderly individuals. Provides Lower Back Pain & Sciatica Relief, Great for Office Use, Driving & Traveling: The coccyx cushion for tailbone pain is also great for car seat drivers and can help with sciatica pain relief while driving. Measuring 17.8” x 13.8” x 2.75” at its highest point, the orthopedic seat cushion typically fits in most standard office chairs, wheelchairs, car seats. The special dotted texture & non-slip rubber design ensures that the cushion will not slip off easily on any seat, making it an ideal seat cushion for truck driver or gaming chair cushion for gamers. The memory foam seat cushion for chair conforms to your body's natural shape and provides ultimate comfort.