Cleartex circular mat is a general purpose mat providing the ultimate hard floor protection. Strong and durable, this Clear round mat is made from sturdy polycarbonate, which has double the strength of PVC - and the added benefits that it won't scratch, crack, buckle, curl up, or discolor and it has no odor. The Ultimat has ergonomic benefits for chair users and allows an easy glide movement which can reduce leg fatigue. Ultimat is environmentally safe, Free from PVC and free from toxic chemicals, making it a good choice for people with allergies. Cleartex polycarbonate mats lie perfectly flat and can be used immediately.