Select series cushions set the standard for performance in wheelchair seating. With the ability to customize the fit with the push of a button, the revolutionary ISOFLO® Memory Control offers shape-fitting capabilities while you’re seated. You will no longer have to sacrifice maximum skin/soft tissue protection to get stability, positioning or convenience. -Adjustable: Cushion is adjustable to individual’s shape and weight. -Cushion is adjustable to changes in individual’s position over time. -Lightweight: Easy to handle and carry, at just 3.8 lbs/1.7 kg (QS99C). Varies by size. -Washable: Cushion can be easily cleaned with soap and water. -Repairable: The flame-resistant, black neoprene (not made with natural rubber latex) cushion can be patched or repaired to extend its use. -Ventilated: Separated air cells allow air circulation to reach the surface of the skin.