Waterproof polyester canvas. Holds pens, keys, cell phone and other items. Front zip pocket and organizer pocket. Fits laptops up to 16\". Detachable padded shoulder straps with adjustable reinforced straps. The luggage strap allows you to hang the business bag on the trolley handle of your suitcase to make your business trip more convenient. Product description: Material: Canvas Color: Black Size: (16 inches) Package contents: 1 * Large business computer bag Spacious laptop compartment and accessory compartment: laptop bag. The separate main compartment holds large folders and laptops, large enough for a 16\" laptop. It also has multiple accessory compartments where you can neatly store your cell phone, charging cable, keys, pens, wallet and other items. High comfort and safety: the removable, non-slip shoulder pad and artificial leather handles ensure long-lasting comfort. There is a hidden anti-theft compartment on the back of this business bag for men to protect your valuables from thieves. The padded laptop compartment is perfect for protecting your laptop from accidental bumps and crushing damage. Multifunctional laptop bag: Multi-compartment design holds everything you need for work or school. The detachable padded shoulder strap and adjustable reinforced shoulder strap can be used as a briefcase or shoulder bag. Size and features: Dimensions: 40 x 30 x 5 cm, suitable for most 16 inch laptops/notebooks/computers/bag laptops. This briefcase is the ideal companion for businessmen, men, teachers or students. It is the best gift for Christmas. High-quality materials: The 16-briefcase is made of durable, environmentally friendly nylon material, which is moderately water-repellent. The laptop bag's heavy-duty zippers reinforce the seams for increased strength and durability. High-quality materials provide comprehensive protection and extend the life of your laptop bag.