【Premium Quality】Nylon mesh bags for Polaris 280 and 480 pool cleaners are firmly stitched and tightly woven. The fabric is made of the same material and woven in the same way as the Polaris and can capture all kinds of debris: leaves, insects, twigs, sand and silt without damaging them easily. 【Easy to Use】 】These pool cleaning bags are easy to install with super strong velcro fasteners that can be removed in seconds for cleaning, and the extra wide zipper opening makes it easy to empty and clean the bag. 【Better Compatibility】These pool cleaning bags are compatible with Polaris 280/480 bags - sections K13 & K16. Note: This product is not compatible with Polaris 360 & K13. 380. 【Perfect fit】The high-quality Velcro fastener of this universal filter bag snaps securely onto the pipe cleaner and seals tightly at the top. The secure ABD safety closure ensures absolute reliability.