The LA Passport Shield is a common spec for many agencies such as the Los Angeles City Fire Department, Idanha-Detroit, Snowqualmie and many Departments that use the Phenix-First Due helmet. The shield measures 5.75" tall and is made of 3 layers of top-grade cowhide leather. The Center-Passport is a removable piece that adheres to the shield with velcro. This accountability system was chosen by the LAFD so their members could change their apparatus designation when they move from one station to another. The Passport measures 2 1/4"- Wide x 3 1/4"-Tall.