Thickness: With six-inch visco-elastic memory foam designed to contour to your body shape. Pressure point relief: Helps to relieve pressure points across the body. Cover: Complete with a soft knit cover for extra comfort! Six sizes: In sizes 2ft6, 3ft, 4ft, 4ft6, 5ft or 6ft. Material: Consists of two layers of high-quality, high-density memory foam eight inches in total. Mattress: Get an orthopaedic reflex Neptune memory foam mattress! 8" Memory Foam Mattress | 8in | Living Social