The Transporter Zip Top laptop backpack is built to get you from point A to point B and handle everything in between. Built from a durable and weather resistant nylon TPU-coated fabric that delivers reliable protection from the elements on your commute. This bag has all the organization you need with a padded laptop sleeve that can fit a 15-inch laptop. It also features a magazine/document sleeve with additional organization in the main compartment for your pens, business cards and other small items. It has a key clip to make sure you keep your keys in a safe spot. The Transporter Zip Top pack also has a hidden side zippered water bottle pocket and a front panel vertical zip pocket. It can also be used as a bike commuter pack with the blinker light attachment and a heat embossed scratch-free slash pocket for your sunglasses. On the back side of this pack is a mesh covered ridged foam backpanel that provides a soft and comfortable feel. Lastly, the sternum strap is adjustable and doubles as a safety whistle.