Pacsafe Venturesafe X40 Multi-Purpose Backpack, Black Multi-purpose 40-liter backpack with built-in security features; main pocket accessible through the back panel Comfortable, breathable shoulder and waist straps; u-shaped aluminum frame for heavy loads Lightweight, hidden exomesh slash guard stainless steel wire mesh embedded into fabric helps protect against slash-and-run theft Built-in rain cover; rfidsafe protection; smart zipper security to deter thieves and pickpockets 8.7x11.8x21.7