The Kensington 1500 Pocket Sprung 50mm Memory Foam Mattress is Black sided with white top and bottom, available in all sizes and is 10 inches deep with a medium firmness rating. It is constructed around 1500 count pocket spring unit with ultra-supportive layers of high density 50mm visco elastic Memory foam to distribute pressure and to provide ultimate comfort and support. The Kensington 1500 provides the best possible support to your spine allowing your body to find the best sleeping position while reducing tossing and turning. The extraordinary features of this Mattress helps blood to flow and circulate freely, preventing the nerves and muscles from numbing. This allows for an even distribution of weight and gives a fantastic support for the body and a relaxing sleep. Available Sizes: Small Single - 2ft 6in wide X 6ft 3in Long Single - 3ft wide x 6ft 3in Long Small Double - 4ft wide x 6ft 3in Long Standard Double - 4ft 6in wide x 6ft 3in Long King Size - 5ft wide x 6ft 6in Long Super Kingsize - 6ft wide x 6ft 6in Long