* Compatible with Polaris 280, 480. K13, K16 All Purpose Bag. Not compatible with Polaris 360 380 Pool Cleaner. * The replacement bag is made of nylon mesh fabric, plastic sleeve. The design of the bags The zipper makes it easy to open and clean to empty debris, and simply pull the zipper to empty all the trash inside the Polaris bag. (To prevent the zipper from getting stuck, it is best to shake the bag and pull the zipper.) * Versatile filter bag that is easy to install, remove, and clean. Improved clips are perfect for a tighter fit in pool sweeping, they can be installed in seconds *The multi-purpose bag with strong stitching and sticky weave, is designed to contain all types of debris: leaves, insects, twigs, sand and silt without tearing at the bottom of the pool. Features: * Compatible with Polaris 280, 480. K13, K16 All-Purpose Bag. Not compatible with Polaris 360 380 pool cleaner. * The replacement bag is made of nylon mesh fabric, plastic sleeve. The zipper design of the