The Goodyear "Commercial Linear" Rubber Stair Mats are perfect for creating a safe and slip-resistant commercial stairway, whether it's indoors or outdoors. Made of resilient reclaimed and natural rubber materials, these "Commercial Linear" rubber stair treads are designed to withstand constant, heavy foot-traffic. Rubber naturally absorbs shock and enhances friction, making it ideal for protective, anti-slip applications. The "Commercial Linear"-style corrugations spanning the surface of each mat complement rubber's friction-enhancing properties-the texturing on these "Commercial Linear" rubber stair treads increases the number of points of contact between people's feet and the stairs. Furthermore, the rubber materials that compose these rubber stair grips are highly resistant to weathering effects like UV-rays, ozone, and precipitation. These "Commercial Linear" staircase mats are generally 6mm thick, but they gradually thicken to 6.5mm toward their noses. They are also available in two commercial sizes, 10" x 36" and 10" x 48", to accommodate most staircase sizes. The Goodyear "Commercial Linear" Rubber Stair Mats can be used on both internal and external stairs. Color: Black.