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

This multifunctional double-shoulder backpack is designed for everyday use. It features a USB interface for convenient charging.

• Product type: Double-shoulder Bags
• Compatibility: Large Capacity Backpack
• Material: High-density water-repellent fabric
• Key feature: USB interface
• Color/Variant: Black
• Intended use: Everyday use
• External USB design with internal power supply
• Waterproof and wear-resistant
• Comfortable to the touch
• Large storage capacity
• Ergonomic S-shaped design
• Reduces carrying pressure
• Rubber handle with reinforced metal lines
• Capacity options: 18 inches, 20 inches, 22 inches