Cleartex Ultimat Corner Workstation Chair Mat, Clear Polycarbonate, For Low & Medium Pile Carpets (up to 1/2"), Size 48" x 60" (FR1115023TR) Chair mat designed specifically for corner desks and workstations - protects your carpet from damage caused by moving chair casters Made from polycarbonate - an incredibly tough and firm material which will not crack, curl, discolor or smell The transparency of this mat allows your flooring to show through - it won't look intrusive in your home or office; lies perfectly flat right away and has an easy glide surface to help reduce leg fatigue Environmentally safe; 100% recyclable; free from toxic chemicals and PVC; child and pet safe; Greenguard certified Gripper back for stability on low to medium pile carpets; for corner workstations; 48" x 60"; mat size may vary slightly due to manufacturing process