BesWin Office Chair Mat for Carpeted Floors BesWin Chair Mat protects your low-pile carpet and keeps your chair stable with a durable anti-skid surface. Ultra-clear PVC protects carpet while showing off its beauty. This 2.2 mm thick mat safeguards your carpets from stains, dirt, casters, and heels so your floors will last longer. Molded cleats and studs hold the chair mat securely in place. Thick and sturdy plastic won't crack, chip, break, or shatter under normal usage. Anchor bars hold mat firmly in place, even on thick carpeting. Not intended for use on hard floors. Backed by the BesWin Lifetime Limited Warranty. Ships fully assembled. specifications Material: Premium PVC Size: 30" x 48", 36" x 48", 44" x 58", 48" x 60", 46" x 72" Thickness: 0.09" Shape: rectangle Color: transparent Attentions: 1. Keep away from fire or extreme heat. 2. Try placing it in a warm room or near a sunny window for best and quickest results. 3. For the purpose of saving packing space, our office Chair mats may be rolled when packaged. Rolling back, and the chair mat will be gradually flat over several hours. 4. When you open the package, you will find that the office chair mat has two different sides: One is studs and the other side is textured surface. Please let the chair mat flat on your floor and put the textured face up.