London Bridge Linens Style 11 Ultra Plush Cotton Pad Contour Fitted Style - Super Single Waterbed Cotton With soft 220-thread count cotton surrounding a plush 12 oz bonded polyester fill, this mattress pad helps keep a layer of air between the sleeper and the mattress. It is available with contour fitted style (to fit like a bottom sheet). Comes with a standard 12" deep skirting to fit most mattresses.