45'' x 53'' Big & Tall 400 lb. Capacity Carpet Chair Mat with LipMove around easily in your carpeted workspace with this Big & Tall vinyl, commercial grade chair mat that will prevent carpet wear caused by chair casters. Rated to hold up to 400 lbs., this mat is ideal for shift work. It features a scuff and slip resistant top surface for durability and safety. The underside has a gripper back to firmly anchor the chair mat on medium to high pile carpet, protecting your carpet from spills and damage. The mat