The Aqua Ez UVB165 Pool Clean Vacuum Replacement Bag is a white fine mesh net with a pull lock, designed for both above ground and in ground pools. It is made of durable nylon material and features a universal fit for most pool cleaners. The bag measures 12 inches in height and 8 inches in width, weighing only 3 ounces. With its easy installation and maintenance, this replacement bag ensures efficient and thorough cleaning of your pool, keeping it clear and sparkling.