... compressed vacuum pack 5.8years' warranty ParameterDataItem:soft foam high density cheap price mattressItem No.:M-K079Filling Material:memory foam ... outer according to customers' indication. FillingSelf-manufacture soft high density memory foam on top and reflex foam on base ... ,BS7177, ,CFR1633,CA117,ASTMD3574,PONY Testing Feature1.Soft high density memory foam with good air permeability close to your ...