Features1. Carry on luggage size: 45 x 20 x 35 cm/13.7 x 7.9 x 17.7 inches, meeting the carry on luggage requirements of multiple airlines.2. You can easily use and charge your phone anytime, anywhere without opening your backpack.3. 180 opening: can be freely opened 180 , allowing you to quickly pass through airport security and keep other items tidy. A large 45L main compartment can accommodate school books or travel clothing.4. Three ways to carry the backpack: The shoulder strap makes it very comfortable to carry on the shoulder. The top handle allows you to comfortably grip it.5. Breathable and comfortable: The back of the backpack has air mesh and comfortable shoulder straps, which can reduce shoulder pressure and provide you with great comfort.SpecificationMaterial: Oxford clothColor: BlackSize: 41 x 30 x 7 cmWeight: 850 gPackage Include:1x Travel backpack