Breathable: Regulates your temperature as you sleep. Care: Do not use your newly opened mattress for 24-48 hours to allow it to expand to its true size. Sizes: Available in small single, single, small double, double, and king sizes. Comfy: With two layers of high quality visco-elastic open cell memory fibre foam that contours to the shape of your body for an extra comfy sleep! Thickness: 7.25" thick mattress with a medium soft firmness. Mattress: Get a white zig zag memory fibre foam sprung mattress. Zig Zag Memory Foam Mattress | Living Social | Living Social