Premium, soft quilted cover with tencel™ lyocell fabric mix memory foam filling pressure relieving effects of memory foam provide optimum support and comfort 6.5cm and 10cm depths sponge clean only 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. Contains non toxic certipur approved foam.dormaestablished in 1921, dorma is a british heritage brand synonymous with quality, luxury and impeccable attention to detail. Dorma our name is your guarantee.