Marvelux 36" x 48" Heavy Duty Polycarbonate Office Chair Mat with Lip for Carpets, Clear Carpet Protector Mat for Medium Pile Carpeted Floors Under Office Desks, Shipped Flat

["100% PURE POLYCARBONATE CARPET CHAIR MAT - 36\" x 48\" (20\" x 10\" LIP) - Tough, durable premium chair mat provides the ultimate carpet protection, lipped chair mat perfect for use with carpets under office desks. Suitable for low, standard and medium pile carpets (up to 1/2\" thick, including padding).","HIGH IMPACT STRENGTH FOR ERGONOMIC GLIDING - Durable polycarbonate chair mat with a smooth easy glide surface to provide added ease of movement, which is proven to reduce leg fatigue by taking the strain off your legs. The floor mat’s rigid surface will not dip or cup throughout its lifespan.","PREMIUM STUDDED BACK COMPUTER CHAIR MAT - Expertly designed studs provide effective grip to keep the rug firmly in place, whilst preventing damage to low, standard and medium pile carpet that can be caused by your rolling office chair casters or wheels.","SAFE & FAMILY FRIENDLY MAT - No Odor, No Toxins, No Cadmium, No Tin and No Lead. Our long lasting clear polycarbonate chair mats are easy to maintain - simply clean the pad with warm soapy water, no harsh chemicals required.","SHIPPED FLAT - Our small size chairmats (30\" x 48\" and 36\" x 48\") are shipped flat and our large size carpet protectors (48\" x 51\", 47\" x 53\" and 48\" x 60\") are shipped rolled."]