One piece non-skid top made of durable urethane provides a safer surface for your dog that easily withstands the rigors of daily use. Smooth, finished side surfaces won't catch on your clothing Urethane surface repels chemicals, is easier to clean, and provides lasting beauty. Rubber covering will bubble, crack and peel as it absorbs cleansers and shampoos. Trapped dirt and hair becomes unsightly and unsanitary over time. Plywood will warp and rot over time.
Nails work their way out of aluminum molding causing the rubber top to become loose.
Sharp metal edges catch and tear clothing.