• Chairmat is ideal for medium-pile carpets • Sturdy 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 offers ease in carpet-to-mat transition • BPA-free, noncadmium, nonphthalate chairmat is made of clear vinyl