For a worry-free night of sleep, the Cheer Collection waterproof mattress pad has you and your mattress covered. The perfect blend of comfort and protection, this mattress topper is machine washable for easy care and has a knit skirt that fits up to an 18-inch mattress. Material was lab tested for fabrics resistance to the penetration of water under hydrostatic pressure. Material: 100gsm knitted fabric Soft and smooth for a comfortable sleep Waterproof barrier: Shields against fluids, sweat and moisture, laminated TPU fabric Easy care: Machine washable Lab tested: Hydrostatic Pressure Test measures the resistance of fabric Great for potty training, bed-wetting or incontinence Perfect for medical and assisted living facilities Hypoallergenic: Rest easy on your allergen free bed Deep pockets: Stretch fabric skirt fits mattresses up to 18-inches deep Dimensions: Twin 39 inches wide x 76 inches long x 12 inches deep Twin XL: 39 inches wide x 80 inches long x 12 inches deep Full: 54 inches wide x 76 inches long x 12 inches deep Queen: 60 inches wide x 80 inches long x 14 inches deep King: 78 inches wide x 80 inches long x 14 inches deep