Anji Mountain Leather Office Chairmat with Lip, Mocha, 44 x 52-Inch Designed for plush carpet (up to 3/4" thick, with carpet pad) and hard floors 9.5Mm Thick Two piece construction folds in half for easy shipping and portability Skid-Resistant PVC backing (phthalate-free) helps keep mat in place on any surface Rounded edges for easy access on and off the mat