Waterproof USB Business Backpack

Features:
The backpack is portable in size and weight.
Waterproof oxford fabric and dacron material, wear-resisting and scratch proof.
Business simple modern style, suitable for daily life and business trip.
Multi-layer inner space, make your belongs in order.
Large capacity make your travel more easier.
Superior SBS zipper, durable and rustproof.
High elastic breathable honeycomb back cushion, make your body keep dry.
USB charge port, charge your phone in anytime and anywhere.
Multi-function such as back anti-theft bag and bus card pocket.
S-shaped bionics straps to balance back and shoulder pressure.
The strap on the back allows the bag to be used with the suitcase, free your hands.
Bulit-in individual digital pocket.