[ and Foldable]Easy to carry, weighs only 5.3 (oz), can be folded into a wallet size and put in a pocket. .[ Material]This lightweight hiking backpack is made of waterproof material and zipper, which is waterproof, tear-resistant, scratch-resistant, wear-resistant, breathable, moisture-proof, smooth and comfortable. Effectively prevent rainwater from reaching the mobile phone or cash and other items in the backpack. .[]Tear-resistant nylon will effectively prevent branches, stones from scratching the bag, provide extra strength and long-lasting performance at the lightest possible weight, keys and other items can also be placed ly inside. All seams are reinforced for long-term use. .[]This foldable backpack provides enough space for outdoor travel, camping, hiking, day trips and shopping. Equipped with one main zippered pocket, one front zippered pocket and two mesh side pockets, it provides enough space for outdoor travel, camping, hiking, cycling and fishing. Also ideal for international travel at the airport. .[Pocket-sized]Folds into an inner zippered pocket to fit anywhere and unfolds from pocket to backpack in seconds. A must-have for every trip.