MARK RYDEN 9299 Black Casual Laptop Backpack Fits for 17.3 Laptop with USB port

Overview✈ USB Charging Port Design: The laptop bag comes with a charging port you can link your phone to and easily charge during outdoors and travel. Place your power bank inside the bag and connect your phone to the outer port (built-in charging cable inside). Please note that this travel bag doesn't power itself, usb charging port only provides easy access to charge. ✈ Multi-functional Design: Tech backpack with back U shaped three-dimensional ventilation design helps with air convection, ventilation and heat elimination. Wide breathable mesh shoulder straps and back with plentiful sponge pads help relieve the stress from your shoulder. The back of the backpack luggage strap design makes the journey easier. In addition there are anti-theft pocket design, shoulder strap non-slip buckle design, card pocket design, etc. ✈ Waterproof Backpack: The casual daypack backpack is made of polyester fabric and Oxford fabric with high density nylon lining, which has good waterproof performance, protects your belongings from splashing water and rain, is perfect for traveling, working, daily life, etc. ✈ Quality Services: This product is covered by half-year product service from the date of purchase. If you have any problems during use, please send us your order number and product model number. We will provide support from a specialist. In the backpack, we mainly use oxford + nylon material, while using SBS metal zippers, and the zipper surround is repeat reinforcement. Ensure that the backpack can be used for a long time. Comfortable breathable honeycomb fabric back design gives you maximum back support. Adjustable shoulder straps relieve the stress of the shoulder.