Great value Small Double Memory Plus mattress 4ft from Repose. 12.5 gauge open coil orthopaedic spring unit & 20mm of memory foam surrounded in a 9 gauge frame giving great comfort & support. Sculpture quilted design with soft knitted fabric. Hypo-allergenic fillings making this a ideal mattress for allergy sufferers. This 9inch deep mattress can be used on a wide range of bed frames.