When you're traveling for business, this overnight roller not only protects your laptop from damage, but it also offers an anti-theft security system. Click the four hammerhead zipper pulls into place and then close the stainless steel door for premium anti-theft security for your bag's contents. Plus, use a Kensington portable laptop lock (sold separately) to secure the bag to a fixed object. Anti-puncture zipper for the device compartment resists intrusion by sharp objects for added security. With room to accommodate up to a 17" laptop as well as a 10" tablet, each space comfortably fits your devices with enhanced protection to reduce the chances of damage. Front workstation pocket provides a complete organizer section with areas for you to store keys, business cards, pens and more. Compact size offers plenty of additional room to store clothing, files and other personal items and still meets carry-on guidelines for all airlines. Overnight roller is made of 840D poly twill material.