Brand TOP COMFORT Special Feature Full comfort, Ergonomic Patent Design, Top Quality Memory Foam, Cooling Gel, Removable Cover Color Full Grey Size L17 x w17.5 inch Material Memory Foam + Cooling Gel About this item Ultra-comfortable seat cushion prevents back pain caused by sitting in a chair for hours. Generously sized chair pillow (l17 x w17.5 inch) To finely fit all chairs and all sized users, larger than similar chair cushions Ergonomic office chair cushion promotes correct posture, supports spine alignment, and reduces discomfort. Durable desk chair cushion 3 inches thick made of premium polyurethane, memory foam, and gel will...