Super-soft: With a luxurious soft touch feel for extra comfort. Size: Choose from single, double, king size or super king size. Thickness: Choose from two thicknesses; 2cm or 4cm. Mattress topper: Get a memory foam mattress topper! Memory foam: Memory foam moulds to the body, so it's really comfortable. Fabric: Made using a dual breathable mesh fabric layer to provide great air circulation. Memory Foam Mattress Topper | Living Social