Lightweight and packable: At about 130 g, this foldable backpack gives you extra carrying capacity without noticeable weight. It folds into the included storage bag for compact, spacesaving storage in a suitcase, locker, or glove compartment. Reliable weather protection: Constructed from wearresistant, waterresistant fabric, the backpack protects belongings during light rain and wet conditions so you can keep going without worrying about soggy gear. Durable everyday use: The material and construction are designed for repeated folding and daily handling, making this bag a reliable backup for shopping trips, school days, or travel excursions. Easy to store and carry: The included storage bag keeps the backpack compact when not in use and makes it simple to grab and go. Ideal as a secondary bag you can stow in a purse or suitcase. Versatile for many occasions: Suitable for vacations, daily leisure, shopping, and school. Use it as a lightweight daypack for sightseeing, a spillproof shopping bag at the market, or a simple carryall for textbooks and small electronics. Practical problem solver: Eliminates the need to carry a bulky bag all day—unfold it only when you need extra space. Protects purchases and items from light rain and resists wear from frequent use. Key attributes at a glance: Function: Foldable, packable backpack for extra carrying capacity Size/Portability: Compact when folded; stores in the included bag Weight: Approximately 130 g Material: Wearresistant, waterresistant fabric Performance: Lightweight, durable, and suitable for everyday and travel use Use scenarios: Vacation day trip: Fold into your luggage and open it for hiking, souvenirs, or beach essentials. Grocery or shopping run: Keep it in your purse or car and use it to carry groceries or purchases without plastic bags. School or commuting: Use as a lightweight carry bag for notebooks, a tablet, or a water bottle when you don't need your full backpack.