Chairmat with standard lip is ideal for medium-pile carpets. Sturdy, 2/15" thick material protects carpet from wear and tear caused by chair casters. Easy-glide rolling surface provides effortless mobility. Lightly textured top surface is slip-resistant and scuff-resistant. Studded bottom provides superior gripping power. Smooth-finish edge allows ease in carpet-to-mat transition. Free and Clear formula produces an exceptionally clear vinyl mat that is nonphthalate, noncadmium and BPA-free.Protective vinyl to prevent wear and tear and extend carpet lifeMedium-weight for frequent use on carpets up to 1/2" thickEasy-glide rolling surface for effortless chair movementFree and Clear formula for a healthy work environmentGreenguard Gold Certified for low chemical emissions to UL 2818