Targus Mobile ViP Checkpoint Friendly Backpack with SafePort Sling Drop Protection for Laptops Up to 15.6 Inches, Black (PSB862) SafePort Sling protects your laptop in case of drops Patented checkpoint-friendly design unzips to lay flat for TSA screening; Trolley strap easily attaches to your rolling luggage Structured piping and layered design enable the bag to stand upright on its Weather-resistant base, so its contents are protected and stay in place with easy accessibility File compartment with convertible floor expands in length to accommodate your larger documents and files Contoured design makes it comfortable to carry Limited warranty does not cover products purchased from 3rd party sellers