Come and see our amazing products. Convenient Usb Port Design.USB interface with built-in cable design, great convenience for charging your electronic devices via connecting your own power bank.Approx Dimensions is 11.8" L x 5.9" D x 17.3".zipped front pocket, 2*drawstring side pockets, 1*roomy main packet( with two separated compartments).Waterproof and durable material for daily using. Breathable and adjustable shoulder straps relieve the stress of shoulder.Rear of backpack features a trolley strap that fits over most luggage upright handles for hands-free carrying. This backpack is lightweight and stylish which is perfect for school, college, travel, hiking, business trips, commuting to work, everyday use, outdoor activities, or even perfect as a gift. Pls confirm with us about the packing info, stock color and exact production time before placing your order.