Sillamate Plastic Office Chair Mat for Carpeted Floors, Heavy Duty Floor Mat,Eco-Friendly Series Studded Carpet Desk Chair Mats-36'' x 48'' (36 inches X 48 inches- NO Lip)Brand: Sillamate Color: Clear Features: GRIPPER BACK for use on low pile carpet measured up to 1 4in thick PRODUCT DETAILS: chair mat, 36in x 48in with lip, 2. 16 mm thickness, 5. 8 lbs ROLLED up and packed inside a box for easy transportation and handling, smooth surface with fine texture for chair to roll easily without skidding, clear mat lets color of the carpet shine through ODOR FREE & NONTOXIC PVC: UL and BV tested BPA and Phthalate free,