IDEAL USE: This pressure relief cushion is ideal for wheelchair use and can even be used at home. SIZE: 17"x17"x2.36" - Our memory foam cushions come as one size and fits most wheelchairs on the market. REDUCE PRESSURE ULCERS: 2.36" deep pressure reducing cushion to reduce pressure ulcers and increase comfort. EASY TO CLEAN: Our pressure relieving cushion doesn't just provide ultimate comfort but is also very easy to clean. The material is vinyl and wipes clean. HIGH QUALITY MATERIAL: Designed to a high specification with maximum comfort in mind. A memory foam layer provides pressure point relief whilst the supporting foam base allows air flow and increased durability.