Memory Foam Lumbar Cushion
Back cushion with unique slow-acting memory foam (developed for the NASA space program) reacts to your body temperature and physique. Winged side supports for extra comfort. Machine washable navy polycotton cover. 12"H x 13.25"W x 4.5"D (at deepest part). Includes 72" adjustable strap to secure to seat; can be strapped vertically or horizontally.