NPT PC:5 CM X 12"X24" IWCSMEEPC 5cm x 12" x 24" Ice White Classic Sand Blasted Marble Eased Edge 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.