1,high-quality patent products, 2,unique spring matrress in China market, 3,10years warranttee, 4, ... .3cm, 5th layerNon-woven fabrics25gFront side padding materialPadding layerMemory foam sponge3cm Reverse side quilting materialFirst layer spongeThickness: 1.0cmSecond ... for referenceProduct NameModel numberStandard Size(H * W cm)Spring mattressBR1#120*200cm150*200cm160*200cm180*200cm120*195cm150*195cm