Lacura Bariatric Wheelchair CushionConstructed of high density molded foam that provides excellent skin protection and tail bone lower back pressure relief during extended periods of sitting Kwik strap attaches to the wheelchair to prevent sliding during transfers Waterproof vinyl cover for easy cleanup Padding is 4" thick and can support up to 650 lbs. 1 each LATEX FREE No MATERIAL Foam PRODUCT TYPE Wheelchair Cushions THICKNESS 4 " UNSPSC 42141705 WEIGHT CAPACITY POUNDS 650 lb