Product Information20L 35L 45L 60L 70L Waterproof Backpack Rain Cover Dustproof Ultralight Tactical Backpack Raincover Outdoor Hiking Bag Rain CoverMaterial: NylonColor: Black/black+patternCapacity: 20L,35L,45L,60L ,70L1.Super Waterproof: Don't let a drop of water in.Waterproof wear-resisting Nylon material can make it.2. Dual-layer Design:The exterior layer adopts wear-resistant Nylon to avoid scratching and dirt. The inner layer adopts waterproof coating to avoid rain and snow.3.Easy to use: adjustable elastic band makes it easier for you to use4.Compact and lightweight: ultra-lightweight and super-small shrink volume make it easier for you to carry.5.Many sizes: five sizes for different packsPackaging Content: 1*backpack rain coverNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0-2cm differences due to manual measurement.For wholesale, welcome to contact us at anytime.Please see the picture for detailed size!