【Size & Capacity】: Backpack length 33cm, width 19cm, height 50cm. The overall capacity of the backpack is about 30L, which can not only meet the daily needs, but also meet the needs of 3-5 days of short trips. This backpack is perfect for work, schoo
【Materials & Details】 : Backpack selected Oxford cloth material, not only waterproof and wear-resistant. The detail design of the backpack is also very careful, very smooth zipper texture, strong and strong connection, are to let you have a better se
【USB Port & Headphone Jack】 : USB and headphone jack are in the same place.With built in USB charger outside and built in charging cable inside，and headphone jack this usb backpack offers you a more convenient way to charge your phone and listen to radio or music while walking. 【Anti-theft & Privacy Protection】: Each storage space of the backpack has a zipper design, which can well protect your privacy. It also greatly reduces the risk of your belongings being stolen. In other words, wearing this backpack when going to work or school or travel can be a lot of peace of mind. 【Many Compartments】: the backpack has a hidden compartment, a large main compartment, a front sub compartment and two side compartments. A variety of compartments provide plenty of space for items to choose from, and so many compartments keep the interior of the backpack in a neat and tidy state