Milliard Contoured Vacuum with weights and vinyl bumper Handle has spring-loaded locking clips for attaching extension poles. Curved plastic body aids maneuverability to navigate along walls and into corners for a more complete clean. Weights keep the vacuum head at the bottom of the pool where it belongs. A full-perimeter vinyl bumper keeps it from scratching or scraping delicate surfaces. Made from ABS plastic and vinyl to be durable and long-lasting.