The Savoy 1000 Pocket Sprung 50mm Memory Foam Mattress is constructed around 1000 count pocket spring unit (in a 5\' King size Mattress) with ultra-supportive layers of 50mm high density visco elastic Memory foam to distribute pressure and to provide ultimate comfort and support. It is finished in luxury White fabric and has a firmness rating of Medium (6/10). 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