Comfortable Design: Open coil springs and memory foam layer for support Four Sizes: Choose from a single, small double, double or king size Handcrafted in the UK: Suitable for UK standard size bed base Hypoallergenic Mattress: No need to worry about getting the sniffles Memory Sprung Mattress: Treat yourself to a memory sprung mattress | Reflex Memory Sprung Mattress | Wowcher