... 2.Size:62*40*8cm 3.Weight:850g 4.Cover:velvet,jacquard,cotton,polyester fabric Provides optimal pressure relief, ergonomically designed to ... : memory foam, 100% polyurathaneSize: 62*40*8cmWeight: 850gDesity: 55kg/m3Cover: velvet, jacquard, cotton, polyester fabric, machine washable cover.