Office Chair Mat for Hard Wood Floors 36"x47" Heavy Duty Floor Protector Easy CleanBrand: MammyGol Color: Transparent Features: PVC CHAIR MAT FOR LIGHT USE: Suitable for hardwood floorvinyl, hardwood, laminate, stone, tile and concrete. Not recommended for carpet. You can use it in the office, at home and so on. It's very convenient. Anti slip: Frosting on the surface can achieve a strong grip which prevent the chair from slipping while controlling the roll of the chair which also helps to considerably reduce the risk of leg