Kensington Cool Gel Seat Cushion BlackKensington Cool Gel Seat Cushion Black This ergonomic seat cushion from Kensington is made to help with good posture, circulation, and pressure relief while sitting at a desk for extended periods of time. The cooling fabric has a cool gel core, which will decrease body temperature and it features a unique U shaped cut out to take pressure off the coccyx and help to support sciatica relief. The cushion has a carry strap that makes it simple to travel