Comfortable Triple Waterproofing Backpack Rain Cover, Anti-Slip, Traveling. Product Features Imported Nylon lining Buckle closure 3 Layer Waterproof Technology: 100% WATERPROOF - Made of high-quality Tear Resistant Nylon Material, external waterproof coating, Inner layer cover with PU coating offers reliable protection of up to 5000 mm of rain resistance, Ideal for any rainy activities, 100% Money back guarantee if you are not satisfied. ULTIMATE ALL-OVER PROTECTION: The Elastic and Cross Adjustable Buckle Straps provided extra stability and 50% more coverage, make sure your backpack get fully covered, protect your backpack even in heavy wind. ULTIMATE HANDY: Weighing only 2.2~3.6 ounces(Size: S~XXL), Each backpack cover comes with a RAINPROOF STORAGE POUCH that you can just clip it to your backpack, you will never be unprepared for the sudden rain shower. Made of 190T Nylon features WEAR-RESISTING and DURABLE, protecting backpack from scratch, dirt, sand. Suitable for Backpack 15-90L, Please check the size chart in the 6th picture or description. FREE Exchange size if not match WITHOUT RETURNING WORRY-FREE 24-MONTH WARRANTY LIFETIME CUSTOMER SERVICE 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!