One size fits most: the bag length is 24 inch and the width is 16 inch; Fits most brands of pool leaf vacuum, leaf eater, leaf catcher, leaf gulper, leaf baggerFine mesh bag: made of durable nylon material, finely stitched fabric catches even the smallest of particles such as leaves, twigs and small debrisPull-N-Lock cord: mesh leaf bags come with pull and lock cord ensuring the bags are securely fastened to your pool cleaner, won't fall off easilyWide usage: suit for large style water pressure pool vacuum cleaners, such as the: Leaf Eater, Pool Gulper, Leaf Master and aftermarket generic style vacuums, also fits for pool style PS454, 185 leaf eaterPackage: come with 3 pack fine mesh bags, using for a long time for you to replace, effectively reduce costs