Product material: polyester fiber (polyester) The surface layer is made of high-quality coral velvet fabric, the middle layer is 15mm memory foam, and the bottom layer is low-grade SBR non-slip. Easy to wash and dry, the more you wash it, the softer it becomes, non-slip, breathable, mildewproof, and will not damage the floor Exquisite workmanship, careful design, tight edges and corners, meticulous edge wrapping, not easy to fall off, and longer service life Easy to clean and maintain, will not deform or fade after washing Strong anti-skid, firmly fits the floor, SBR non-slip bottom, more anti-skid and safer