Skilcraft NSN5772530 Chair Mat, 46 in. x 60 in., .22 in. Thickness,25 in. x 12 in. Lip, Vinyl-Clear Skilcraft NSN5772530 Chair Mat&#44; 46 in. x 60 in.&#44; .22 in. Thickness&#44;25 in. x 12 in. Lip&#44; Vinyl-Clear