Convoluted foam with 2" back fits comfortably in most chairs Cushion folds in half for convenience in storing and handlingCover is removable and washableDurable polyurethane foam Made in the USA THIS PERSONAL USE ITEM CANNOT BE RETURNED IF OPENED. HEALTH DEPARTMENT REGULATIONS Fits seat and back of wheelchair Additional Details ------------------------------ Material type: Foam, Polyurethane Foam Package quantity: 1