PVC CHAIR MAT, MEDIUM-TO HIGH-PILE CARPET, 45" X 53". Clear vinyl. 20" wide lip on width dimension. Textured pattern on top surface. Uniform, nonskid coating on bottom. Molded cleats on underside. Smooth rounded corners. Overall dimension includes lip. .15 thickness for use on medium- to high-pile carpet. Manufacturer's limited lifetime warranty, 1 EACH