Pacsafe Citysafe CS300 Anti-Theft Compact Backpack, Black Versatile, functional, and durable backpack with anti-theft technologies for any travel or city inspired occasion Lightweight, hidden exomesh slashguard stainless steel wire mesh embedded into fabric helps protect against slash-and-run theft Adjustable wire-reinforced carrysafe slashguard strap helps prevent cut-and-run theft; the turn & lock security hook attaches strap to secure fixture Rfidsafe blocking material built into a pocket in the main compartment helps protect ids and credit cards from hacker scanning (H x W x D): 35 x 26 x 14 cm / 13.8 x 10.2 x 5.5 in Backpack strap length: 65.5 - 82.0 cm / 25.8 - 32.3 in