Aothia Office Hardwood Floor Chair Mat (Four Color)Healthy Material: Aothia chair mat is made of 100% polyester fibers and PP non slip backing. The upgraded product is more durable and reliable and will not fall off and pill like other brands of pads. No PVC, no volatile toxins, no special odor, creating a healthy indoor environment. Lightweight Chair Pad: The desk rug suitable for hardwood floors, stone, tile, works perfectly in your home office. It has a non slip backing that sticks securely to the