Beds & Mattresses: Get a hybrid pocket sprung memory foam mattress. Sizes: Choose from a 3ft single, 4ft small double, a 4ft6 double or a king-size mattress. Memory foam: Features 23cm-deep layer of memory foam for a well cushioned and body contouring effect. Quilted: Complete with a breathable 3D quilted poly-blend knitted jacquard cover for increased airflow. Material: constructed from PU foam and 1000 individually wrapped pocket springs. Comfort level: With a firm comfort level for optimal support. | 23cm Pocket Sprung Memory Foam Mattress - Single | Wowcher