【Size & Handcraft】Extenal Desinsions: 19.7*13*5 inch, Interior Desimension: 17.3*12*5 inch, Weight:1.97lb. Fit for 15 15.6 17 17.3 inch laptop. The laptop backpack is made of the high quality polyester fabric and 600D film material, super lightweight,durable, water spill resistant,anti-tearing & scratch. The stylish explosion-proof zipper glid smoothly, zipper and unzipper easily, not easy to be broken after using long time.【Unique design & Comfortable】Apply high quality EVA material for the mens backpack, elastic and breathable sponge fabric that ventilate perfectly, more comfortable & distruct the press more well. The shoulder strap use thick breathable spondge than normal bag. It also comes with sturdy handle & adopt the double & enhanced sewing technolody, epecially for every force position, make the backpack bear weight up to 22lb & offer you comfort carrying on.【Waterproof & USB Port】The travel laptop backpack comes with a fully lightweight professional Rain Cover at bottom of the backpack pocket, convenient to carry and keep your valuable item safe from the rain.The built-in USB charging port offers you a convenience to charge your electronic device anywhere.(Note: the power bank is not included)【Large capacity & Multifunction】The gaming motorcycle mens backpack equip with varies function pockets, provide the roomy space for your bulk stuff, enough for your daily usage and the backpack looks slim cool. The pockets and loops of the mens backpack also dedicated to the game kit: mouse, hard drive, keyboard, powerbank, sunglasses, headphones, phone, USB sticks. While you could also use it for a 5-7 days travel.【Warranty】Buy with confidence, we KINGSLONG offer 60 money back service, 18 month warranty with no hassle and lifetime friendly service. If you have any question about your purchase, please kindly contact us through the customer service, we must feedback you in 24 hours and do more you happy.