Doormat three-layer design The top layer is made of soft velvet, the middle layer is made of water-absorbing diatomaceous foam, and the bottom layer is made of non-slip silicone rubber. Three advantages of door mats 1.For thickening the simplesense of carpet, the gluedot printing technologyof wear-resisting was used in the back of carpet 2.The printed surface of the carpet is called the crystalin the suede, which is delicate. and soft. The 3D pattern isclear and has a sense ofsubstitution. 3.The edges of the carpet arestitched together to keep theedges from fraying