Take the stress and sleepless nights out of bed wetting, potty training, and incontinence with this waterproof mattress protector with wings to stay put and the ability to absorb up to 2 litres of liquid. This mattress protector provides soft, noiseless protection and is very discreet. Simply place on top of the bottom sheet and tuck in the flaps. The protector's waterproof back keeps the mattress dry. When wet, the protector takes seconds to replace. 100% cotton top sheet with an absorbent middle layer backed with 100% polyurethane. Machine washable. Single - 95cm x 95cm / 38" x 38" | Flaps 45cm/18" each side Double - 137cm x 95cm / 54"x 38" | Flaps - 45cm/18" each side King - 155cm x 95cm / 61" x 38" | Flaps 76cm/30" each side Materials Top: 100% cotton Middle layer: 95% polyester / 5% rayon Backing: 100% polyester backed polyurethane (PUL) Flaps: Polycotton Care Instructions Cold or warm machine wash, line dry or warm tumble. Do not iron or dry clean or use bleach or fabric softeners. Wash separately before use as this will soften the fabric and aid absorbency. If used with an electric blanket, make sure your blanket is on a low setting.