Backpacks are a better option than shoulder or messenger bags for carrying books, supplies or hiking stuff.
That's because the weight of the pack is evenly spread out across your body.
The strongest muscles in the body — the back and the abdominal muscles — support the pack.
Color: Green / Dark Blue / Black / Orange/ Blue / Black Red / Army Green /Blue / Red
Weight: Approx. 700g Size: 52 * 33* 20cm / 20.5 * 12.8 * 7.9in (size after filled in)
Package Size: 50 * 30 * 20cm / 19.5 * 12 * 7.8in
Package Weight: 710g
Package List:1 * Backpack
*Note:Due to different measurements, please accept 1-3cm error; please allow reasonable color difference as different computer screen may display different colors