Product Description Material: Nylon + Oxford cloth Expanded size: 42 * 30.5 * 16cm Folded size: 22 * 16 cm Color: black, blue, green Quantity: 1 piece Package content: 1 piece * Folding backpack 1. Ultralight and spacious Perfect for travel or shopping. Very light and comfortable to carry, big enough for a daypack and compact with a water bottle holder, this backpack is roomy enough to organize your luggage. You can get all your daily necessities in one package, like laptop, tablet, clothes, towels, diary. 2. Strong material & strong zipper - high-quality water and tear-resistant nylon material, scratch-resistant. Made of ripstop and water-repellent material, durable with low weight. High quality seams with strict drop test standards. 3. Foldable & portable Convenient and easily packs away in other luggage. It folds next to nothing in a suitcase for long trips as a stand-by for unexpected loads, which means you can easily stow your backpack in your pocket and unfold it upon arrival. To avoid being overweight, simply pick up our folding backpack from baggage handling and use it as hand baggage for excess baggage. An indispensable backpack for travel. 4. Breathable mesh shoulder straps Ergonomic design of 2 adjustable breathable Shoudler straps to meet different needs for all people, symmetrical distribution of shoulder weight. Easy to adjust the length and lock tightly. 5. Multipurpose Versatile small hiking daypack with a main compartment with zip, a front pocket with zip and two mesh side pockets. Two side stretch mesh pockets allow easy access to the water bottle and umbrella. The breathable and padded shoulder strap ensures good air circulation to keep your back cool throughout the trip and to relieve shoulder strain.