RollaMat Chairmat is ideal for the home office. The heavy vinyl is designed for medium-pile carpets. Smooth, rounded studs won't damage carpet. Textured top surface resists scuffing. Beveled edge allows smooth, on-and-off chair movement. Chairmat features textured top surface and a 25" x 12" lip. Free and Clear formula produces an exceptionally clear mat that is nonphthalate, noncadmium, BPA-free and lead-free.