Description: Premium TPE material, super soft, retain its shape and hard to deform even after long time use. Adopts honeycomb design, built-in free-flowing air channel provides good ventilation and prevents the seat from sweating. Double layer cushion design, thicker and better buffering, relieve sedentary fatigue, avoid soreness and numbness. Comes with a zipper detachable seat cushion cover, washable and reusable. Fits most chairs including computer chair, office chair, car seat etc. .