Product Description Design Euro TopHeight 12inch/30cmFirmness Medium Size Twin, Twin XL, Full/Double, Queen, King, Calking, Customized Quilting Layer Linen Jacquard Fabric Fiber cotton Upholstery Layer Natural Latex Memory Foam Support Layer Double layer Pocket Spring Insulation White PK Felt + Non-Woven Fabric Bottom layer 3D Mesh Fabric Regular Foam The Stucture Can be Customized Linen Jacquard Fabric+Fiber cotton+Natural Latex+Memory Foam+Double layer Pocket Spring+White PK Felt+Non-Woven Fabric+Regular Foam+3D Mesh Fabric 1.Linen Jacquard Fabric It combines the characteristics of cotton and linen.It has exquisite and delicate patterns, Soft texture, good gloss . 2.Natural Latex Latexis a breathable and elastic material that helps reduce heat buildup. With high elasticity and good supporting force, can effectively improve the quality of sleep. 3.Memory foam It can support each part of body evenly and independently, also adaptand response slowly to body weight and temperature, providing full support, comfortable pressure relief to keep the spine upright. 4.Double layer Pocket Spring It can fully fit human body, providing different degree of hard and soft support, giving effective rebound according to the movement in sleep, and to ensure healthy spine stretch.China Pocket Spring Mattress manufacturers website:http://www.amorhome.com/spring-mattress/pocket-spring-mattress/