No more slippery steps, near misses or wipeouts. The back has a texture that help keep the Rubber Mat from sliding around in the rain or snow, while the open design lets dirt, rain and snow pass through. When needed, the Stair Treads are easy to clean, just spray of with the hose, or scrub with mild soap. Great for the front steps, or areas with heavy foot traffic - Provide decorative and functional traction in rain and snow - Heavy duty rubber has the look of iron scrollwork - The open design lets dirt, rain and snow pass through, easy to clean Each piece measure 30 L x 9 D x .5 H inches, sold as a set of 4. Size: W 9" / D 30" / H 0.5". Color: Black.