This Skillbuilders bi-height positioning wedge allows patients to be positioned at a higher 10-inch or lower 8-inch height (use on side 1 or side 2). High molded sides give lateral support and positioning strap adds security. Accommodates abductor wedge. Wedges are made of molded foam with an integral waterproof coating that is easily washed for years of use. Dimensions: 10 x 18 x 22-in Weight: 8 lbs.