This protector will fit your mattress perfectly and is secured in place with four elasticated corner bands to prevent any awkward slipping. Made from pure Molton fabric, it offers the best protection for your mattress. The fleecy surface is 100% cotton, with trimmed edging all the way around, while the underside is made from a breathable PU foil, laminated on one side. The mattress protector has been tested for harmful substances by Oeko-Tex Standard 100. You can boil-wash the protector up to 95°C and put it in the tumble dryer. It will fit all types of mattresses. Bed surface area: Super King (6')