3M Safety-Walk medium resilient slip resistant roll is made of high-friction resilient textured material for durability. It prevents falls in heavy traffic work areas, ramps, walkways, loading docks, machinery, vehicles, aircraft and reduces tripping. - Tread consists of abrasive mineral particles bonded by a tough, durable polymer to a dimensionally stable plastic film and back is coated with a pressure-sensitive adhesive, covered by a removable protective liner.