Brolly Sheets Waterproof Mattress Protector Pad, Twin, 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 Twin size 38 x 44 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 Waterproof and absorbent holding up to 1/2 gallon of liquid over an 8 hour period Ultimate comfort - 100% cotton topped Breathable and quiet waterproof backing Quick to change with the innovative tuck-in wings Ideal for bedwetting or incontinence in children or adults Minimizes sleep disruption for carers and users Machine washable Available in twin and queen sizes &amp; multiple colors Twin size 38 x 44 inches plus wings 38 x 18 inches Queen size 38 x 65 inches plus wings 38 x 18 inches