Due to heat sensitive features of the memory foam body weight is more equally giving extra pressure relief resulting in better sleep at night. Filling is 100% polyurethane. Removable cover 80% cotton and 20% polyester face. Non-woven 100% polypropylene reverse. 100% polyester wadding. Elasticated corner tapes secure to bed. Cover is machine washable at 30°C. Cover suitable for tumble drying on a low setting, insert is not. Insert is sponge clean and wipe dry only. Size 130 x 190 x 3cm.