Our 8 inches single mattress is designed with a two-layer full foam system with a top layer of 4cm gel memory foam that is naturally antimicrobial and resistant to allergens, mold, bacteria and dust mite, and 16cm sturdy support foam to ensure great comfort and more durability.Negative Ion Aerobic Fabric.Our mattresses feature Negative Ion Aerobic Fabric, which contains 18 amino acids that are beneficial to human health, helping to keep mattress surface at the ideal sleeping temperature.Comfortable Memory Foam.The gel memory foam provides a better contour to the shape of your body, allowing optimal relaxation for a deeper, longer and sweeter sleep.Suitable for Different Sleeping Positions.Specifically designed for side sleeper, back sleeper, or stomach sleeper, the 3ft single mattress allows you to flexibly match various sleeping positions to achieve Zero restless sleep. Rattantree 8 Inch Memory Foam Mattress with Soft Fabric 2-Layer Skin-friendly in Grey Size: Small Double