Expandable Multi Functional Anti Theft Bagpack

Expandable Backpacks Men Laptop Business Bag Usb Charging Male Waterproof School Office Portable Travel Anti Theft Bagpack

Features:
1. Select splashproof Waterproof high quality material-patent leather as exterior fabric, interior fabric is nylon.
2. Large capacity. It can easily accommodate the gadgets needed for business & travel for 3-5days.
4. Faster charging USB port Expandable structure design, You just need to put one power bank in the backpack, then don't worry power off.
5. Compatible with 15.6 inch laptop
6. Interior structure has small slots to organize most of your gadgets; Luggage belt can be easily set on your trolley.

7. Size: Length:31cm, Height: 44cm, Normal width: 11cm, Expandable width: around 16cm.