General office chairmat with rounded edge is designed for use on carpets up to 1/2" thick. Friendly grippers offer maximum hold. Chairmat protects carpet and allows easy movement. Extremely durable chairmat won't curl, crack or discolor. Polycarbonate material is fire-resistant, extremely durable, odorless, environmentally safe and completely free of toxic chemicals. Rectangular chairmat is ideal for many different applications from supporting chair movement to protecting carpet in heavy traffic areas, such as vending machines and reception.