Product Description Design Euro TopHeight 12 inch/30cmFirmness Soft Size Twin, Twin XL, Full/Double, Queen, King, Cal king, Customized Quilting Layer Knitted Jacquard Fabric Regular Foam Upholstery Layer Memory Foam Gel Memory Foam Wave Shape Foam Support Layer Continuous Spring Insulation Double Layer Non-Woven Fabric Bottom layer White Mesh Fabric Regular Foam The Stucture Can be Customized Knitted Jacquard Fabric+Regular Foam+Memory Foam+Gel Memory Foam+Wave Shape Foam+Continuous Spring+Double Layer Non-Woven Fabric+Regular Foam+White Mesh Fabric 1.Knitted Jacquard Fabric The fabric has fine patterns, and the appearance of close and meticulous,three-dimensional sense of strong. 2.Memory Foam It can support each part of body evenly and independently, also adapt and response slowly to body weight and temperature, providing full support, comfortable pressure relief to keep the spine upright. 3.Gel Memory Foam The open-celled physical structure of gel memory foams is ventilating.It could control and balance the temperature, create a comfortable and cool sleep. 4.Wave Shape Foam Unique design of egg shape promote air circulation, insulating sound.It is environmental health, non-toxic pollution-free and recyclable. 5.Continuous Spring It is made of high-precision steel after two heat treatments, extremely flexible and economical. Take the overall non-fault structure, it can provide an appropriate, unified support.China Continuous Spring Mattress suppliers website:http://www.amorhome.com/spring-mattress/continuous-spring-mattress/