Medium-weight chairmat with wide lip protects carpet from daily wear & tear with the highest quality vinyl mat. Ideal for most medium-pile carpets with up to 3/4" thickness. Unique notched-stud design grips carpet without piercing or damaging carpet backing. Beveled edge allows smooth chair movement. Lip measures 25" wide x 12" long. Free & Clear formula produces an exceptionally clear mat that is nonphthalate, noncadmium, BPA-free & lead-free.