?DURABLE CONSTRUCTION? The laptop bag for men is made of water-resistant nylon / canvas material, durable buckles and heavy-duty zippers to ensure long lasting performance, strong reinforced seams for added strength and durability. Different carrying styles meet all of your needs. The dimension of the backpack is 18.8*5.1*13.7 inches / Weight: 1.2 kg. ?INNOVATIVE DESIGNS? The briefcases for men has three carrying styles. The straps can be hidden when you use it a messenger bag and shoulder bag. The straps that make it a backpack fold into the flap on the back when not being used as a backpack shoulder bag. Of course, wearing it in backpack mode frees up your hands and allows you to swing your arms. ?LARGE CAPACITY? The large capacity is enough to fit most 17 inch laptop, notebook, and more room for cloth, daily necessaries, and more. The nylon / canvas briefcase is perfect for men, women, office, traveling, hiking, camping, business, and casual life. The computer bag is also perfect as a school bag for high school or college students. ?MULTI-POCKET DESIGN?The main compartment features a laptop pocket with the anti-collision isolation pad to protect the computer against impact and shocks. Four outside pockets, convenient to organize the items you want to carry. There are two main slots zippered on top to keep papers, paper notebook, etc. The two main front pouch pockets to safely store various documents and keep items organized. ?PORTABILITY?The lightweight design is easy for carrying. The cushion inside the bag for the laptop is good enough provide more protection for your laptop. You can hold the bag in three different ways, the briefcase, the backpack or the messenger bag method. The 17 inch laptop bag features a luggage strap for easy attachment to your rolling suitcase. The multi-pocket design houses everything you need for work or school. 4 Ways usage: can be used as backpack, Handbag, shoulder bag, cross-body messenger bag. Multiple pockets: for easy organization of gear. MULTIPURPOSE: The briefcase backpack can fit your many occasions.You can carry it to school, college, hiking, shopping, cycling, traveling, dating, etc. Sleek modern design: sleek modern design in black will have you looking fashionable and professional. Huge Roomy: multi-compartment design with various pockets for tablet, books, phone, wallet, pens etc. Water resistant 1680 Daniel waterproof nylon. Light weight: Only 2 pounds. SIZE: 18 * 13 * 6 inches inch WEIGHT: 2 lbs