"Encore" Sisal Carpet Stair Treads, 100% Natural Sisal, 9" x 29" (Set of 13) 100% Natural Sisal, Earth Friendly Hand crafted by Artisan rug maker, Imported Durable and Anti Static, Great for high traffic areas Adds traction to reduce risk of slipping on stairs. Perfect for Pets For installation, use "intertape" double-sided heavy duty carpet tape or use carpet nails/tacks.