1. 【Ultralight】 ： This is collapsible into a no pocket. for real space savings. Which means you can easily put your backpack in your pocket and unfold it when you arrive. 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. 2. 【Capacity】 ： This foldable backpack has a capacity of 40L and is suitable for excursions and travel. It has a main compartment, three front pockets with zippers, two side pockets and an external connector. This backpack is roomy enough to organize your luggage. You can get all of your daily necessities in one package, like laptop, tablet, clothes, towels, diary and a few bottles of beer. 3. 【Quality improvement】 ： This backpack is made of a thick, robust and waterproof material with a double bottom for additional wear resistance. We have reinforced more than 26 seams to ensure durability and durability. The backpack has a robust two-way metal zipper and can be easily opened and closed from both sides. 4. 【Versatile】 ： It's ultralight, durable and totally awesome. Perfect for all outdoor activities such as hiking, camping, overnight stays, Disney trips, cycling, mountaineering etc. A great gift for men, women or travel lovers. 5. 【Reflective strips】 ： There are 6 reflective strips on the backpack, which are clearly visible at night to improve visibility and safety and to protect your safety.