Height : 30 CM Mattress Style:Foam Encased (one side use) Springs used:Pocketed spring used for making the mattress the unit is with rows of 1.9mm coil construction with 6 guage border wire. Tempred at 450 degrees to offer the following tensile Comfort Layers:01 layer PU Foam S3 Dolce Vita 02 Layers of PU Foam soft S4 Dolce Vita One Layer Thick PU Foam hard Special S2 Quilting Layers:Top : 02 layers Dolce Vita soft Foam S2 : 01 layer of Dolce Vita polyester sheet Bottom : Anti Skid Themobonded Fabric without quilting Fabric:Streched Fabric Life Expected:10 Years