AmazonBasics Carpet Chair Mat - 48in x 60in Chair mat protects carpet and floor surfaces from wear and tear and everyday damage Rugged phthalate-free PVC construction; transparent so floor or carpet can show through Rectangular shape with extended lip for under-desk coverage Gripper back for low-pile carpet up to 1/4-inch thick Measures 48 x 60 inches (1/8 inches thick); ramped edges for smooth on/off rolling; easy to move and clean Backed by an AmazonBasics 1-Year Limited Warranty