【ROOMY & COMFORTABLE】Roomy space for your 15.6 inch laptop, tablet, note book, wallet, cell phone, folders plus miscellaneous other things. 7.6 inch elastic pocket at each side can hold your water bottle, umbrella, etc. Padded and adjustable straps won’t dig into your shoulders, help you release the stress of shoulder.【MULTIFUNCTION】Front zippered compartment provide perfect storage for your small item. Reinforced edges and steel frame of the main compartment keep perfect shape of the laptop backpack and is able to protect your laptop inside the backpack. Plenty separation pockets, helps you easy to storage and organize things during travel/work/daily use. An integrated Trolley sleeve can free your shoulder during a journey by fixed on the suitcase or trolley.【USB CHARGING PORT DESIGH】An external USB port with built-in charging cable inside, allows you conveniently to charge your cell phone or tablet anywhere. You don’t have to hold the power bank in your hand anymore. Instead, you can put it in your bag and use it at any time.(POWER BANK IS NOT INCLUDED)【MATERIAL & DIMENSIONS】This marble backpack is made of high quality polyester fabric, lightweight and durable. All zipper closure use premium quality zippers, smooth and sturdy. Dimensions: 17.3"x13"x6.7"; Weight: 1.87 LBS.【ALL-MATCH】This stylish bag is not only a laptop backpack, but also a perfect college school backpack, casual daypack, leisure backpack, doctor bag and luggage for short trip. No matter women, teens, girls, student, it would be a great companion for college, middle school, travel, business, hiking, everyday use and outdoor activities. Besides, it can be a practical gift for friends, girlfriends, sister and mother.