Versatile - Suitable for a variety of occasions, like office work, school, college, business, outdoor activities, weekend getaways, shopping and travelling. This plain, black stylish bag is ideal for the teacher, student, business man, nurse and any other professional in need of an everyday bag to carry their personal items. USB port - With a built-in USB charger outside and a built-in charging cable inside, this backpack provides convenience by charging your electronic products. Just connect your own power bank and keep your laptop or phone charged on-the-go. Dimensions - 14x9 inch with expandable feature fits 15, 16 and 17 inch laptops. Spacious and Multiple Pockets - Its expandable material accommodates a variety of stuff to fit into its 12+ pockets and helps keep you organized. Comes with two side elasticized mesh pockets, which could expand to secure various size water bottles and umbrellas. Exterior quick-access zippered pocket gives you easy access for frequently needed items, like stationery for high school kids or car keys for adults. Large main compartments to fit your clothes, books, magazines, tech electronic accessories, headset, camera, etc. Comfort and Durable Design - This lightweight bag comes with padded shoulder straps and a breathable mesh fabric to give you superior back ventilation and support. This plain, black bag pack can be worn in many ways, carried from the handle, attached to your luggage or worn on your shoulders. Ideal for Traveling - A travel backpack that has hidden, anti-theft pockets in the front and back to store valuable items such as passport, money, wallet and credit cards while traveling. It gives you the extra security and peace of mind you deserve. Comes with a luggage strap to secure backpack to your rolling luggage safely and heavy duty handle on the top for carrying with the ultimate comfort and easier transport. Its optimal size allows laptop backpack to fit under your seat when traveling by air.