Even though our bodies are designed to sit complete with strategically placed padding, it simply is not enough. Good thing we have a large selection of seat and back cushions for just about every sitting situation from the car to wheelchair, and desk to park bench.GEL FOAM SEAT CUSHION is ideal for short and long-term use. Gel Foam combination provides ideal posture support and weigh distribution. BREATHABLE COVER is soft, yet durable. The zippered cover is removable and washable.