Description: This 18in travel backpack with USB port and headset port design allows you to charge your phone as well as listen to music on the go. Comfortable soft padded back and shoulder strap give you maximum support. And high-density waterproof fabric makes it wear-resistant, water repellent and durable. Featuring spacious inner three compartments, convenient front zippered pockets and 2 mesh side pockets for all your essentials, it promises to become your most reliable companion for traveling, cycling, hiking, business trip, etc.  Features: [18IN LARGE CAPACITY] Measuring around 47*33*17cm / 18.5*13*6.7in, this bag has enough space to hold 4 tops, 2 pairs of pants and a jacket or 38 books and a 15.6 inch laptop, which is perfect for school, traveling, business trip, hiking and more.  [MULTI COMPARTMENTS] This multifunctional backpack is designed with three large compartments for properly classifying and storing essentials and valuables. Additionally, there are two front zippered pockets that provides quick access to small items and two side mesh pockets for storing water bottle or umbrella. [USB PORT & HEADSET PORT] This laptop backpack with built in charging cable inside and an external USB charging port provides you a more convenient way to charge your electronic device via connecting your own power bank on the go. Besides, the headphone interface frees your hands when enjoying audios, music, etc. [WATERPROOF & WEAR-RESISTANT] This travel backpack adopts waterproof and wear-resistant oxford fabric outside together with anti-rust zipper to protect your belongings against rain or water splashes. [COMFORTABLE PADDING] S-shaped wide shoulder with high-density sponge as well as soft padded and breathable mesh back effectively disperse pressure of your shoulders and back, giving you maximum comfort and heat elimination. And the adjustable shoulder straps can fit your body sizes and help to keep the backpack steady. Specification -Item Name: Backpack -Material: Oxford / polyester (lining) -Color: Light Grey -Size: 47*33*17cm / 18.5*13*6.7in -G.W.: 700g / 1.5lb -Pattern Type: Solid -Style: Casual Package List: 1 * Backpack Notes: 1. Size information is just for reference only, please allow 1-2cm (0.4-0.8") differences due to manual measurement, thanks. 2. Item color displayed in photos may be showing slightly different on your monitor since monitors are not calibrated the same.