Vicwe Chair Mat for Hardwood Floor, 4.75'×7' Large Office Chair Mats, Clear Floor Protector Mat, Easy Rolling Chair Mats for Dining Room, Easy to Clean (57" X 84" Rectangle)Brand: Vicwe Color: Clear Features: Durable and Reliable for long term use These Vicwe office chair mats are made of PVC material, which is durable and can bear the weight of any office chair. Your casters can easily slide on the surface of the floor protection mat, thereby reducing the burden on your legs and back during work. Protect Your Hardwood FloorsProtects floor surfaces from chair casters (wheels) and chair legs. This mat is only suitable for