THE CLOWNFISH Sentinel Series Polyester 15.6 inch Unisex Expandable Travel Laptop Backpack with USB Port (Black) * PREMIUM MATERIAL: This stylish attractive backpack is made from Polyester. For the inner lining, we use soft feel polyester fabric. The fittings zippers, sliders used are of premium quality. * EXPANDABLE DESIGN: This backpack is designed with two main storage compartments. Main compartment has a separate padded sleeve to carry laptops up to 15.6 inches. Expandable feature of this bag offers you ample space to store your books, files, laptop and other accessories like mouse, iPod, mobile, pens, etc. Provided with front zip pocket for acessories. * STORAGE & SPACE: Ideal for laptop up to 15.6 inches. Dimensions are ((L) 29 x (W) 15 x (H) 42 cm .Total capacity: 18.3 liters. Weight: 1 Kg. * ADDED USB CHARGING FEATURE: The bag is provided with USB charging port with in-built cord. Comfortable and adjustable cushioned shoulder straps to distribute the weight of the backpack evenly across your shoulders and back. Stylish and professional appearance suitable for work or school/college. * ONE YEAR WARRANTY: The Clownfish offers a one year warranty on the product against any manufacturing defect