The Chicago stars represent four distinct events in Chicago's history: Fort Dearborn, The Great Chicago Fire, The World's Columbian Exposition, and the Century of Progress Exposition. The top blue stripe represents Lake Michigan and the North branch of the Chicago River. The bottom blue stripe represents the South branch of the Chicago river and canal.

Larget Rectangle 3" x 2"

Small Square 1.5" x 1.5"

Designed by Transit Tees in Chicago's Wicker Park neighborhood.