Product Size: S, M, L (The detailed size is shown in the figure below) Style: Style 1: Black + Royal Blue Style 2: Black + Army Green Style 3: Digital camouflage + Luca camouflage Material: Internally coated with silver water pressure 1500, cloth surface is water-repellent, 190T polyester taffeta Package content: 2 pcs backpack waterproof cover 1. QUALITY MATERIAL The backpack cover is made of waterproof 190T nylon fabric, which is breathable, light, wear-resistant and scratch-resistant. 2. ELASTIC DESIGN The elastic band on the edge of the cover allows it to be securely attached to the backpack and is adaptable for backpacks from 30L-40L. 3. RAIN PROTECTION Thanks to the double waterproof coating technology, the backpack rain cover with PU coating on the surface offers reliable protection of up to 2000 mm rain resistance, which means that your backpack and your belongings can be effectively kept dry from rain. 4. WIDE APPLICATION The backpack cover is waterproof, dustproof and scratch-resistant and is perfect for cycling, climbing, camping and hiking. 5.Easy to Fold It can be free to fold into the pocket, portable, convenient, and ultra-light weight. You can take it off, clean and dry it for repeated use