Crafted with a luxurious Tencel blend cover for ultimate softness and moisture management that will help to regulate your body temperature, this quality Dorma mattress topper is filled with a premium supportive memory foam that moulds to the shape of your body. Available in a choice of sizes, you can enjoy a cooling night's sleep with this mattress topper, which has an excellent 10 year guarantee.TENCEL™ is a trademark of Lenzing AG.Please note: The firmness rating of the memory foam will be dependent of your mattress type. Feeler samples are available in-store.A slight odour can be expected that will disperse in use. Once unpacked air for 24 hours and to allow foam to recover from packing. It is advised this product is left for 72 hours once removed from the packaging before using.Contains non-toxic Certipur approved foam.