17 inch Multifunctional Large Capacity Waterproof Double-Shoulder Backpack with USB Interface(Black)

A multifunctional large capacity double-shoulder backpack designed for everyday use. It features a USB charging interface and is compatible with 17-inch devices.

• Product type: Double-shoulder Bags
• Compatibility: 17 inch devices
• Material: Waterproof PVC
• Key feature: USB charging design
• Color/Variant: Black
• Intended use: Everyday use
• External USB charging design
• High elastic 3D honeycomb back pad for comfort and breathability
• Back trolley strap for easy travel with a trolley case
• High-brightness reflective strip for safety in dim light
• Waterproof and stain-resistant fabric
• Capacity: 17 inches/19 inches/20 inches optional