Chairmat with a standard lip is designed for use on low-pile carpets up to 1/4" thick, including padding, and protects floors from wear caused by chair casters. The easy-glide rolling surface and smooth edges provide effortless mobility, while the lightly textured top is slip-resistant and scuff-resistant. Studded backing ensures a secure grip, and the clear vinyl construction is free of phthalates, cadmium and BPA. Lip measures 20" x 10".Chairmat with a standard lip is designed for use on low-pile carpets up to 1/4" thick, including padding, and protects floors from wear caused by chair casters. The easy-glide rolling surface and smooth edges provide effortless mobility, while the lightly textured top is slip-resistant and scuff-resistant. Studded backing ensures a secure grip, and the clear vinyl construction is free of phthalates, cadmium and BPA. Lip measures 20" x 10".