Made from supreme Visco elastic memory foam with a perfect percentage of 20 cool gel properties you can be assured that our 8cm thick memory topper provides optimal sleep during the warmer as well as cooler months of the year. The design of ventilation holes improve air circulation through the mattress topper. Combined with cool gel infused this mattress topper offers better breathability and promote a more comfortable sleeping experience. The removable and machine-washable jacquard bamboo fabric cover is hypoallergenic with an anti-skid base to keep it firmly in place on your bed.