SKV BLB2006 Men Business Travel Double Shoulder Bag Large Capacity Casual Laptop Backpack(Black)1. Material: oxford cloth + polyester 2. Waterproof design, no fear of outdoor bad weather 3. Thickened handles, comfortable and durable 4. Two way zipper, open and close smoothly without jamming 5. Expandable backpack design, can meet the needs of work commuting and business trips 6. Thickened computer compartment for better protection of electronic products 7. External charging port, the cell phone can continue to go out of the house 8. Cubic