20L Large Waterproof Folding Climbing Backpack Bags Travel Hiking Rucksack

VAKIND Polyester. Feature: 1. Portable: the ultra-lightweight backpack can be folded into the internal pocket and can be stored anywhere, saving space, light and easy to carry. 2. Waterproof and durable: the lightweight folding backpack is made of waterproof and tear-resistant nylon. It is durable and uses a two-way waterproof zipper to effectively protect items from getting wet. Fastening mode: zipper, clasp. 3. Multi-function: ultra-lightweight backpacks are very suitable for daily short trips, school, hiking, sports, camping and shopping to provide enough space for people of different ages, and can also be used as small gifts for family and friends. 4. Unique design: small backpack breathable mesh straps and sponge pads for both men and women can help relieve shoulder pressure, the length of shoulder straps can be adjusted, and chest straps with sentinel buttons can help you secure your backpack. 5. Large capacity: with 1 main bag, 1 front bag and 2 mesh side bags, the spacious fold