Sizes: Option of small single, single, small double, double or king. Mattress: Get a memory foam mattress. Total depth (approx.): 21cm. Tufted: Designed with a 100% polyester cover. Hypoallergenic filling: Made with anti-bacterial properties. Medium firmness: Coil sprung with a memory foam layer. | Memory Sprung Mattress - Single | Wowcher