Kally Sleep Ring Cushion Depth: 450 MM Height: 100 MM Material Content: Cover 50% cotton 50% polyester Washing Instructions: Machine Washable Width: 450 MM Filling: Memory Foam Made from memory foam Ring cushion for support, comfort and pain relief Suitable for haemorrhoids, piles, bed sores, prostate, coccyx, tail bone, back pain, sciatica, pregnancy and post-natal sitting. Breathable, removable cotton cover