Travel with ease. hands-free designScientific storage in three-dimensional shape, reasonable storage in multi-layer partitionsErgonomic shoulder straps with light load, effectively fit the chest, back and waist of the body. Items are easy to store and retrieve, independent partitions, no movement, no interferenceNote:1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding 2. Color may vary by monitor. Please understand thatNote: Hello, please pay attention to your delivery address when purchasing the product. If your pickup information (e.g. name, street, house number, doorbell/email with no name) is incorrect, the order will not be delivered correctly. )