SHAREWIN Office Chair Mat for Carpeted Floors, 120x90 cm with Lip Heavy Duty Anti-Slip for Low/Medium Pile Carpet Protector Rug, Easy CleanEASY SLIDING: The surface of the floor mat is smooth, allowing your office chair to move easily when performing daily tasks. Sliding easily helps improve work efficiency and reduce physical fatigue. ANTI SLIP: The back side of the mat is of unique studded design, which is rip resistant and firm. This can be flat placed and will provide good grips to low pile carpets. Its anti slip effect is outstanding, and the friction to the carpet is strong, so it