model：CB-8313（laptop:15.6inch）size:  32*20+6(expandable)*46cm  expandable wide size :24cm laptop compartment size :29*39cm

material : coated pu flim color : blackN.W：1.77KGcarton size :5pcs   61*37*51cm

1. Simple business commuter laptop backpack

2. Expandable design, 180° opening

3. Water-resistant fabric

4. 3-layer organized storage + 2 dry-wet separation pockets

5. 2 waterproof EVA side pockets for umbrella and water bottle

6. Dual USB + Type-C ports, with password lock

7. Comfortable and breathable back panel

8. Chest buckle on shoulder straps to prevent slipping

9. Built-in pen slots, whistle buckle, fits on luggage trolley