1.The Pocketed Coil twice heat treatment, mare sure non- deformation within thirty years. 2.Use the hardened environmental protection cotton through high temperature disinfections. 3.Fabric material special wear-resisting 4.Strong elasticity and memorial foam bring Soft and comfortable enjoyment(25kg/CBM) 5.From Belgium knitting fabric is the treatment of the mite antibacterial 6.Prevent molds and mites to deal with SANITIGED and ACTIGARD from Sweden 7.Delivery within 30days after receiving order deposit. 8. Any special order ,OEM will be welcome, we can also produce. After vacuum, compressed wrapped craft paper and wooden frame.