SHAREWIN Office Chair Mat for Hardwood Floors - 36"x47" Desk Chair Mats Home Floor Protector Heavy Duty - Easy CleanBrand: SHAREWIN Color: Clear for Hard Floor 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