Amazon.com: Sherpani Metro, Reversible Anti-Theft Sling Bag 。Travel your world with confidence, the Sherpani® Esprit AT Sling Backpack comes equipped with anti-theft technology. First, the main compartment features its own clip lock that effectively locks your bag. Second, it has a chair lock system – a wire loop that secures your bag to your chair to stop bag-snatching thieves. Plus, it has multiple pockets and compartments that accept locks. Other features include a zip sling-strap pocket for your phone, water bottle pocket at the sling\'s side, and a tech-compatible pocket that\'s built to hold a 10\" tablet. This environment-conscious sling pack from Sherpani has been made using discarded plastic bottles to create 100% recycled mélange and ballistic nylon fabrics. Hanger loop. Size: 18\"H x 11\"W x 5\"D. Weight: 13 oz. Manufacturer model #: 66525-ESPIRTAT. Main compartment features its own clip lock Chair lock system with wire loop Multiple lockable zippers Sling-strap pocket for your phone Water bottle pocket at side Pocket for 10\" tablet Eco-friendly construction