HomeMall Office Chair Mat for Hardwood and Tile Floor, 48" x 36" Computer Desk Chair Mat, Anti-Slip Mat for Rolling Chair, Large Floor Protector for Home Office, Dark GreyBrand: HomeMall Color: Dark Grey Features: Please note this chair mat is designed for hard floors, NOT suitable for carpeted surfaces. The size is 48 x 36 inches. Please REMOVE the transparent film on the back before use Heavy Duty Office Chair Mat for Hardwood Floors Durable polyester and TPR (Thermo Plastic Rubber) construction delivers anti scratch hardwood floor protection, engineered to withstand rolling chairs and daily wear. Extra large desk