The Dormeo Renew Plus Mattress Topper has silver fibres woven directly in to the cover, not only rejuvenates your current sleeping surface it also offers antibacterial, and anti-odour properties, delivering a fresh and revitalising night sleep. It has 5cm of luxurious visco-elastic memory foam which conforms to the shape of your body and provides a sensation of weightlessness. Every area of your body is then receiving just the right amount of support. Suitable for kingsize beds. Cover made from 97% polyester, 3% cotton. Memory foam filling. Memory foam. Fitted. Secured by elasticated skirt. Anti-allergy. Cover is machine washable covers.