Main Features:
￠ The back zipper is anti-theft design・ the front zipper has two reflective strips・ suitable for night vision￠ A hidden kettle bag on the right side of the back・ the back side of the shoulder strap has a USB port ￠ The back side of the shoulder strap has two zipper bags・ trolley case and storage bag￠ Inside the package has a velcro・ you can freely choose half-open or fully open￠ Material: snowflakes￠ Maximum capacity is 20kg・ for 15 inches computer￠ Shoulder strap adjustable range: 40 - 85cm