Chairmat with a wide lip is designed and properly weighted for firm, low-pile carpets. Sturdy, 1/9" thick material protects your 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 delivers 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 lifeLightweight for moderate office use on carpets up to 3/8" 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