Luxury 100% cotton cover helps the topper to breathe and is elegantly finished with piped edges. Wonderfully soft but also supportive. Helps rejuvenate existing mattress and adds comfort and warmth. With 4 strong corner straps to ensure a secure fit. Suitable for kingsize beds. Cover made from 100% cotton percale. 100% cotton reverse. 100% polyester ball fibre filling. Secured by elasticated corner straps. Non-allergenic. Cover is machine washable at 40C and suitable for tumble drying.