Business Travel Laptop Backpack, Waterproof Professional Expandable Bag for Men

PROTECTION ：This carry on backpack use soft materials to better wrap your computer (15.6 inch) and bring better protection to your belonging when you are doing business, go to college or work., EXPANDABLE : When this business bag is fully folded, it is only 10cm wide. When you need more space, you can also expand to 17 cm wide in a second., DESIGN : Luggage strap, shoulder relieve strap gives you lightly traveling experience ,many pocket keeps passport, transport card and keys easily for you to reach. With hidden anti theft pocket protect your valuable items from thief., STURDY : YKK customized metal zippers, while using high-quality nylon fabrics to provide scratch resistance and ensure your properties security., MULTIPLE USAGE : Business travel backpack, computer bag, school college bag.