Lap Pal with Nylex Cover: This innovative safety cushion fits snugly across a patient's lap and securely against wheelchair arms, helping to keep patient from sliding down or out of the chair. Made of durable, lightweight polyurethane foam covered with Navy Blue Nylex fabric. Cushion also Provides a comfortable resting place for patient's arms. Lap Pal is entirely flame-retardant. The easy-to-Clean cover is also fluid- resistant and antimicrobial. Available to fit wheelchairs with full-length or desk-length arms. Both models Measure 28" x 10" x 3.5". Full-Length Fits 18" Wheelchair, 27"W x 10"L x 3.5"H.