Zhixing 50026858 Trivac Leaf Collection Bag (Wgbag500), Compatible, And Wg502. Product Features Replacement Model:WG502, WG508, WG505, WG509, WG500, WG501 The bag is designed with a zipper, which makes it easy to clean up fallen leaves or dust. In order to prevent the zipper from falling off, we reinforced the sewing thread in the zipper part. The maximum capacity of the bag is 10 gallons of mulch leaves. The design of the shoulder straps is a buckle design, and the person using the bag can adjust the length of the shoulder straps according to their needs. The bag is easy to install, you only need to connect the interface part of the bag to the interface part of the blower or vacuum cleaner, and then rotate the interface to a suitable position to fix it. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!