Waterproof and DurableThis lightweight backpack is made of high-quality ripstop waterproof nylon fabric, which can effectively protect the items in the backpack from getting wet. ComfortableBreathable and adjustable breathable mesh padded shoulder straps can effectively relieve shoulder pressure, easy to adjust the length and lock securely. High-quality two-way zipper runs smoothly. Fastener: zipper holiday Lightweight and PortableThe foldable backpack only weighs 100g, it can be easily folded into its own pocket for storage, unfolded when needed, saving space in the suitcase. It is the best choice for your short-term travel or walking pets. Large Capacity1 main two-way zipper pocket for storing your clothes and snacks; 1 one-way zipper front pocket for cell phone or easy-to-reach items; left pocket for water bottle or umbrella WIDELY USEDThis packable travel backpack provides enough space for outdoor travel, camping, hiking, day trips, school and shopping. feature: 1. Smooth zipper: Two-way zipper can be closed or opened in two opposite directions at the same time, convenient for you to operate from any side. 2. Durable Backpack: To ensure longevity, our backpack has reinforced stitching for extra strength and long-lasting performance. 3. Durable Sewing and Material: High-quality material ensures that the small backpack will not tear easily. It can be used for a long time. Specification: Material: Polyester Expanded size: 26x14x40cm/ 10.3x5.5x15.8inch(LxWxH) Folded size: 9x4x12cm/3.54x1.57x4.72inch (length x width x height) Weight: 100 grams Package Included: 1 folding bag