Natural body shape: Adapts to your natural body shape. Mattress: Get a memory foam mattress. Comfort: Contains a layer of memory foam. Sizes: Available in 3ft, 4ft, 4ft 6, 5ft & 6ft. Pressure points: Aims to relieves body pressure points. Hypo-allergenic: Suitable for people who suffer with allergies. Amy Memory Foam Mattress | Living Social