The NPT PC:4 CM X 4"X12" SBLFMPC is 4cm x 4" x 12" Sapphire Blue Leathered 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.