[PORTABLE ULTRA LIGHTWEIGHT PACKABLE BACKPACK]Weighs only 1 pound, easily folds into its own pocket for storage and can be opened up when you need it. Perfect multi-purpose carrying case for traveling, easily fits in luggage, The foldable folding size of the travel backpack is 11 x 10 x 2.3 inches. It can be stored anywhere, such as luggage, handbags, etc. .[ & Multi-Compartment]With 40L storage space, this backpack features multi-compartment design, including one main zippered compartment, one zippered front pocket and two side pockets. One divider and one small zippered pocket in the main compartment are convenient enough to help you organize your items further, can carry water, trail snacks, rope and standard tools, portable bags for climbers. Large capacity helps you organize all your essentials easily. .[QUALITY LIGHTWEIGHT FOLDABLE BACKPACK]The travel backpack adopts nylon materials for packable, waterproof and tear resistance (note: ≠fully waterproof). We use double-layer wear-resistant processes to strengthen the stitching of the travel foldable backpack and make it durable lightweight folding backpacks. A two-way zipper made of metal and high-quality resin materials to prevent the zipper from getting stuck. The smooth zipper can give you a good feeling of experience .[Ergonomic & Comfortable Design]Thicker padded back with ergonomic breathable design, paired with adjustable, breathable and padded shoulder, helps to reduce fatigue during a long day of hiking. The hiking day backpack comes with an ergonomic loop handle, which is labor-saving and durable. The adjustable chest buckle works perfectly to distribute the weight of the bag and keep it stable and centered. A must-have for sports, hiking and camping. .[AFTER-SALES SERVICE]If there is any problem with the backpack or you have any dissatisfaction, please us immediately. We believe that our hiking backpack will not let you down. Your sincere opinions make our backpacks better.