* USB Charging Port Design: This backpack with USB port outside and the corresponding cable is also provided, which can be connected to a power bank inside the bag.(Power bank not included).
* Invisible Anti Theft Design: Unique concealed double zipper increases the security of your stuffs inside. One hidden zip pocket for your wallet and phone.
* Waterproof Material: Made of Water Resistant and Durable Nylon Fabric with metal zippers. Ensure a secure & long-lasting usage everyday & weekend.Serve you well as professional office work bag,slim USB charging bagpack,college high school big student backpack for boys,girls,teens you from hot and sweating.
* Exterior Dimensions: 49cm (H) * 32cm (L) * 18cm (W), weight: 1. 55 ibs. Suit for 15-7 inch ultra-thin laptop （no suit for gaming laptop）
* A luggage strap allows backpack fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying. With a hidden anti theft pocket on the back protect your valuable items from thieves. Well made for international airplane travel and day trip as a travel gift for men;
* Comfortable airflow back design with thick but soft multi-panel ventilated padding, gives you maximum back support. Breathable and adjustable shoulder straps relieve the stress of shoulder. Foam padded top handle for a long time carry on.