NEW** The Himawari USB 900D backpack is a stylish, waterproof travel and laptop bag. It features a built-in USB port for on-the-go charging (power bank not included), has a large capacity for items up to a 15.6-inch laptop, and is made of durable, water-resistant nylon or canvas. USB Port: Features a built-in, detachable USB cable for charging your devices with your own power bank (power bank not included). Capacity: Large capacity with a main compartment that fits up to a 15.6-inch laptop, plus internal and external pockets for organization. Material: Made of eco-friendly, waterproof canvas or water-resistant nylon fabric. Design: Classic and minimalist design with padded, adjustable shoulder straps for comfort. Dimensions: Approximately 16" x 11" x 6"