Features: Lots of Bottom Padding: The laptop pocket with lots of Bubble Padding on the Bottom and around the sides, no worry about laptop getting crushed or scratched if backpack fall down or during air travel, protects it from damage and shock. Superior Quality & Unique Craftsmanship: The travel laptop backpack made from water-resistant nylon fabric with durable metal zipper with a function of waterproof for better WATER RESISTANT protects inside of the bag from being permeable to water from the zipper. The strength of the backpack straps is strong enough to avoid ripping and tearing for long-lasting usage everyday & weekend. Serve as a professional business work bag, slim USB charging backpack, large school backpack for teens, boys, Lots of Pockets & Space: The main compartment with padded laptop sleeve holds 13-inch Mac - Book, 14 inches, 15 inches as well as 15.6-inch Laptop, spacious packing compartment for travel accessories, college supplies, clothes, stationery, notebooks, mouse. An organizational compartment with many pockets for phone, pens, notebooks, Ipad, wallet and other essential accessories. Front pocket for easy access. Side pockets conveniently hold travel gear umbrellas or water bottles. Practical & Convenient Design: This slim backpack set-in external Micro-USB charging port offers you a more convenient way to charge your phone while walking. A Luggage Strap allows backpack fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying. Chest Harness keeps shoulder straps securely in place to free your hand. Headphone jack: you can listen to your favorite music on the go hands-free. Comfortable airflow back design with thick but soft multi-panel ventilated padding, gives you maximum back support. Adjustable shoulder straps with breathable honeycomb mesh to relieve the stress of the shoulder. Ergonomic top handle for a long time carry. - Specification:Brand: ARCTIC HUNTERModel: B00120Color: Black, Blue, Gray - Item Type: Backpacks - Main Material: Oxford