The Chrome Mini Metro Messenger bag is the smallest messenger bag with quick-release seatbelt buckle. Built like the Chrome Industries Pro bags. Scaled for everyday use. Guaranteed for life.Citizen is built like the first Chrome messenger bag created 20 years ago with a seatbelt salvaged from an auto yard. The outside is made with abrasion-resistant nylon and the inside, with waterproof military-grade tarpaulin. Its ultra-resistant seatbelt webbing strap and quick-release buckle mean you can ride without worrying about your stuff getting wet or shifting in your bag.