[ Versatile 3-in-1 Design]Can be put on vertical or horizontal way and comes with extra handle strapsUsually it is used as a backpack.And the top and side handles allow you to use it as a stylish handbag when the shoulder strap is hidden in the back space.with a detachable side strap that allows it change into a crossbody bag.You can adjust the backpack style according to your individual needs. Ideal for Commuters and Travelers Who Need a Versatile and Sturdy Bag [Specifications]Size:15.8*11.8*3.9inch,Weight:1.9lb,fits for 15.6 inch laptops. Lightweight and convenient. Lots of pocket and laptop sleeve make your personal stuffs well organized.perfect for day trips. Perfectly Fits 15.6" Computers and Doubles as a Luxury Leather Briefcase [Function] The USB port allows you charge your phone at anytime and anywhere without take the powerbank out (Notice: powerbank is not included). Backside luggage belt allows your backpack fixed on a trunk handle and free your hands o