The ValuePac Visco is 16cm thick with 2.5cm visco-elastic memory foam and 13.5cm of high density support foam. The temperature sensitive, slow recovery \'memory foam\' contours to your body shape which ensures the best possible sleep. 12 Month Guarantee 2.5cm Visco-Elastic Memory Foam 13.5cm High Density Support Foam Removable washable cover Contours to your body to give excellent support Lightweight & easy to handle Promotes good blood circulation Hypo-allergenic, perfect for asthma sufferers Vacuum-packed for easy transport