Delta Sleep Waterproof Mattress Protector (Queen) Sleep Surface: 80% Cotton and 20% Polyester Terry Cloth Imported Waterproof protection against spills, stains, and bodily fluids Soft Cotton Terry surface with Polyurethane backing provides noiseless protection without changing the feel of your mattress Perfect for those with allergies, asthma, incontinence, or kids Goes on like a fitted sheet (Twin & Full fit up to 14 and Queen & King fit up to 18) Machine wash and dry (No Bleach and Low Heat)