• Material:High Quality Waterproof Oxford Cloth.
• Feature: Big Capacity, Waterproof, Multifuction.
  
• Specialist: External USB Charging Port
• Usage: Backpack
• Style: Casual, Fashion, Leisure, Business
• Occasion: Travel, Leisure, Work, Study etc.
  
• Laptop Size: 15.6cun
• Gender: Male and Female
• Capacity: iPhone, Cup, Wallet, Umbrella, Laptop
• Colors: Black/Blue/Light Grey
  
• External Charging USB Port Design: Put your Portable Power Bank into backpack and connect internal USB charging cable, then let your charging cable insert external USB charging port to connect your electronic device. Easy access and convenient to charge anywhere.