The ultimate in surface protection due to its incredible durability, high clarity and rigidity | Polycarbonate is the same material as used in bullet proof glass and aircraft windows! | Perfect for protecting carpet from heavy machines, chairs and high traffic areas | Made from extra strong 100% recyclable polycarbonate | Fire resistant, odourless and emission free | Super smooth surface - slide on, off and around with ease | Smooth back for hard floors | Environmental Accreditation 14001