Uniquely designed for maximum comfort this mattress pad is filled with a cushion of 50% cotton, 50% polyester. The luxurious lofty and soft terry microfiber top is absorbent and also provides a non-slip surface for the fitted sheet on top. This unique construction provides a very comfortable night’s sleep. Washable. Dimensions: Twin 39x75 Twin extra long 39x80 Full 54x75 Queen 60x80 King 78x80 Cal king 72x84