Waterproof and durable 1680D polyester+microfiber.
Main compartment with laptop pocket and Functional organization for small articles .
External USB Interface: can easily charge your phone, tablet and other devices without opening up the backpack.
High quality metal parts and elegant metal zip .
Anti-cutting straps with steel wire. Intelligent anti-scanning pocket.
Anti-theft buckles which can be lockable into an immovable article.