Ruggan Slim Business Laptop Backpack up to 15.6 Travel Bag Notebook Computer Anti-Theft Black with Padlock SMART ERGONOMIC DESIGN & PADDED STRAPS AND BACK  Stylish big rucksack with lots of pockets, inside organizer, side mesh pockets for water bottle or umbrella, padded separate laptop compartment at the back, headphone exit, a lot of pockets for your accessories HIGH QUALITY MATERIAL AND ZIPPERS - our cute slim thin expandable xl backpack for laptops with the screen under 15 inch is made of lightweight durable heavy duty water resistant polyester material that can easily be cleaned with wet cloth. All zippers are lockable, open and close smoothly and are extra safe WIDE RANGE OF USAGE - This is a unisex casual grande shockproof rugged gray backpack bag for daily urban commute, work, travel, office, business, gaming, college, school and outdoors. It fits both men and women, ladies, executives, teen girls and boys. Its airport checkpoint friendly and could be used as a carry on OUR PROMISE - All our products are supported by full customer satisfaction promise