This is a springless firm mattress which is ideal for those with back issues but don't like the feel of a spring system inside their mattress. This mattress is made from a supportive base of reflex foam and a comfort layer of memory foam. The top is covered in a cushioning layer with soft knitted fabric. Together they provide the ideal sleeping experience at a reasonable price. The mattress is available in the following sizes; 2FT6 Small Single, 3FT Single, 4FT Small Double, 4FT6 Double, 5FT King, 6FT Super King.