Flexible Fountain Basins are designed to work with most popular manufactured wall stones and colors to instantly create open reservoirs below grade or inside raised walls. Their reinforced PVC construction with fold out flaps and punched glue points anchors liner under capstones for security and durability. The welded PVC cord channel hides pump and light cords for a clean and attractive installation and can be used with Atlantic Fountain Nozzles and Formal Spillway products, Spillways, WaterWalls and Spouts.