The NPT MMW-16BNO-TDW is 16" x 24" Driftwood Travertine Bullnose Outside Corner Coping. Coping provides a smooth surface and acts as a great finishing accent. It covers the pools concrete edges and prevents water from getting behind the pool shell and walls. The finish is perfect for outdoor pools leaving a softer look and feel around your pool. It is a genuine NPT product.