Vinyl pools are a popular type of swimming pool that feature a flexible vinyl liner. This liner is installed over a frame, typically made of steel or polymer, and is designed to hold water while providing a smooth surface for swimmers. Vinyl pools come in various shapes and sizes, making them customizable to fit different backyards. One of the main advantages of vinyl pools is their affordability compared to other pool types, such as concrete or fiberglass. They are also relatively easy to maintain, as the smooth surface helps prevent algae growth. However, the vinyl liner may need to be replaced every 5 to 10 years, depending on usage and care.