This High Risk Chair Pressure Cushion is 46cm x 46cm x 10cm (18\" x 18\" x 4\") is an incredibly supportive pressure cushion that is suitable for people that are at high risk of developing pressure ulcers.Ideal for use with chairs, wheelchairs and in most other seating situations, the High Risk Chair Pressure Cushion is lightweight and easy to transport and can be used as a comfort cushion to provide additional user comfort or as a booster cushion if a higher seating level is desired. It\'s dual layered construction combines a base of high density polyurethane foam with temperature sensitive visco elastic memory foam. Providing exceptional levels of comfort, pressure relief and additional support the upper surface has geometrically contoured cubes of visco elastic memory foam. The independent modules of the memory foam operate individually and uniquely to distribute the load whilst helping the skin to stay cool and therefore massively reducing the risk of pressure ulcers developing. The High Risk Chair Pressure Cushion is supplied fitted with a black Harley Dartex cover which is waterproof and made from a breathable nylon fabric. The comfortable multi stretch cover is fitted with a zip, and is suitable for washing or dry cleaning if required, ensuring best possible hygiene at all times. This waterproof High Risk Chair Pressure Cushion is also available in 11 other sizes and heights in this section of our shop.