From Basic Comfort, this Handy's Plus pad is a super absorbent waterproof pad made just for bed wetting problems. It can hold up to six cups of liquid! Featuring a generous tuck in, all you need to do is simply place it over a sheet and tuck the flap under the mattress to hold it in position. The pad itself consists of a polyester/cotton top, a super absorbent polyester/rayon middle layer, and a 100% vinyl backing. Fits a standard twin size bed. Measures 38" x 28". Machine washable.