👜【0.5 POUNDS OF PORTABLE ULTRA LIGHTWEIGHT PACKABLE BACKPACK】The size of the travel backpack packable is 17.71 x5.5x 10.6 inches,and the folding size is 6.7 x 6.7 x 1.97 inches.The lightweight foldable backpack is an ideal luggage bag for a plane.When it is not used,fold it into a compact pocket (sandwiches size).It can be stored in anywhere in pockets,luggage,handbags,etc 🎒【20L ULTRA LIGHTWEIGHT FOLDABLE BACKPACK】Our packable hiking backpack water proof capacity is 20L,the pocket distribution is reasonable,and items are stored in an orderly manner.The main bag is stored clothings,and tourist guidelines in inner partitions.One front bag stores small equipment such as mobile phones,mobile power supply,and two side bags store umbrellas,water bottles or sunglasses.Our small foldable backpack meets the needs of carrying lightweight items 👏【QUALITY ULTRA LIGHTWEIGHT PACKABLE BACKPACKS】Our ultralight foldable backpack are nylon materials for water proof and tear resistance,and the water proof performance is good (note:≠completely waterproof).We use double-layered wear-resistant new processes to strengthen the suture of the small packable backpack.A zipper made from two-way SBS metal and high-quality resin materials to avoid the zipper is stuck.The smooth zipper can give you a good sense of experience