Affordable, long-lasting protection for home or office. Unique formulation delivers the clearest, most durable PVC chair mat. Free from the phthalate plasticizers that have been banned from children's toys & medical instruments. Gripper back holds mat securely in place. Will not to crack, chip, break or shatter in normal use & correct application. Manufactured using 25% renewable energy. Gripper back for low pile carpets up to 0.25". Mat Type: Chair Mat; Application: Low Pile Carpets up to 0.25"; Width: 48"; Length: 36".