Origins Carpet Stair Tread - Set of 13, 9-inch x 29-inch Fiber Content: 100-percent&nbsp;Eco-Friendly&nbsp;Natural Fiber Sisal Hand crafted by Artisan rug maker, Imported Sisal is Naturally Durable and Anti Static, Great for high traffic areas, Easy to Install Protects your stairs from wear and tear Adds traction to reduce risk of slipping on stairs;&nbsp;Perfect for Pets