Product Name: Waterproof Backpack Rain Cover for (20L-80L), Antislip Cross Buckle Strap, Ultralight Compact Portable, for Hiking, Camping, Biking, Outdoor, Traveling Esg12973 Model NO.: ESG12973 Waterproof: Waterproof Material: 190t Nylon Type: Rain Cover Trademark: no trademark Transport Package: Carton Specification: size: XS-20L S-35L M-45L L-60L XL-70L XXL-80L Origin: China HS Code: 6307900000 Product Description 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 activitiesULTIMATE 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: (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 20L-80L.Sizes:20L - Small35L - Medium45L - Large60L - Extra Large80L - Double Extra LargeModel No: ESG12973