1.100% natural material 2.Double layers, better support 3.Warm 4.Customer sizes ... 4.Technics: Topper: 20*20cm boxes sew through, piping,double stitches, Bottom: 30*30cm boxes, baffle, 3cm height, ... USA, France, South Africa, Turkey, New Zealand and so on. 5. Our products are all under very strict quality ... own quality inspection team, and we always offer top quality products for our clients