Aoking Waterproof Business Laptop Backpack SN4071

★ Waterproof Fabric: The main body material has been finished with a waterproof treatment and, with sweaty activities in mind. This way the product stays fresh. ★ External USB charger: Charge your electronic product wherever or whenever they are power off  through the external USB charger port ★ Strong and sturdy backpack: High grade leather handle,protect the backpack from high-load tear. ★ Simple but useful: The back tie straps lets the backpack easily lift and carry when traveling with the luggage. Specifications Model: SN4071 Dimensions: 12’’×5.5’’×18.5’’(30.5×14×47 cm) Capacity: 22 L Weight: 0.84 kg Maximum laptop size: 15.6’’ Fabric: Waterproof High Quality Polyester Material: Made of a rubberized ballistic polyester material. Features --BEING DURABLE: Bartack Stitch provides strong and long-lasting performance with maximal weight. Also there is a durable zipper across the backpack which provides high explosion protection performance. --90 DEGREE OPEN: The spacious large compartm