Gel-U-Seat Gel and Foam Wheelchair CushionsThese wheelchair cushions feature a dual chambered gel bladder to keep the user's pelvis in contact with pressure redistributing cooling gel Covers are made of low shear stretch nylon to reduce heat and moisture buildup 1 each LATEX FREE Yes, No MATERIAL Gel Foam PRODUCT TYPE Wheelchair Pads,Wheelchair Cushions THICKNESS 2 ",3 " UNSPSC 42192208 WEIGHT CAPACITY POUNDS 275 lb