Premium Quality: These Robot Pool Bag Cleaning Bags Are Made Of Nylon With Strong Stitching And Tights Are Woven. Fabric And Weave Materials Are The Same As 280 or 480. Holds All Kinds Of Debris: Leaves, Bugs, Twigs, Sand And Silt, Hard To Damage. Easy To Use: Extra-Wide Zipper Opening Makes It Easy To Empty And Clean Debris In The Bag Filtering. Easy To Remove And Install Hook-And-Loop Fasteners That Can Be Removed For Cleaning In Seconds. Perfect Fit: This Universal Filter Bag Has Extra Sturdy Hook-And-Loop Fasteners Designed To Securely Snap Onto The Cure -Pipe And Close Firmly At The Top. A Safe And Secure Closure Provides Total Reliability. Better Compatibility: Works Effortlessly With The 280 And 480 All-Purpose Saddlebags (Parts K13 And K16). You Will Receive 2 Packs Of Strong And Durable Vacuum Cleaners. Product Description Product Description Especially During Daily Use, Your Filter Bags May Be Damaged Or Worn Out For Further Use. How To Replace A Pool Cleaner Bag: Step 1: Turn Off Your Booster Pump And Disconnect The Hose From The Dedicated Pressure Cleaner Line, Then Remove Your Cleaner From The Pool. Step 2: Find The All-Purpose Zipper Bags On The Top Of The Cleaner, The Plastic Sleeve Of The Bag Is The Fastener That Keeps The Bag Attached To The Cleaner During Operation. Step 3: To Release The Pool Sweeper Bag, Twist The Bag'S Plastic Sleeve Clockwise Or Counter-Clockwise A Fraction Of An Inch To Release The Pressure Paddles Inside The Cleaner Body. Step 4: Discard The Used Or Damaged Zippered Filter Bag. Step 5: With Your New Pool Filter Bag In Hand, Line Up The Pressure Paddles On The Bag Sleeve And The Arrow On The Cleaner Connection Hose And Slide It Down Until You Hear A Click. Package Included: 2 X All Purpose Bag For Polaris Notes: 1. These Replacement Vacuum Bags Fit Snugly, Please Twist Slightly When Pressing The Buttons. 2.Please Be Sure To Tuck The Zipper Ends Fully Under Before Fully Zipping Closed. 3.When You First Place It In Water, You Must Squeeze All The Air Out Of The Spare Bag.