Brolly Sheets Waterproof Mattress Protector Pad, Queen, White Cotton Premium waterproof mattress protector with a comfortable top layer of natural 100% cotton Breathable and comfortable surface to sleep on Ideal for bedwetting or incontinence in children or adults Queen size 38 x 65 inches plus wings 38 x 18 inches Soft, noiseless, breathable PUL (polyester backed polyurethane) waterproof backing which does not contain any PVC or vinyl which can emit toxic compounds