Puerto Rico 3ft x 5ft Printed Polyester Flag Additional Details ------------------------------ Product description: Puerto Rico's official flag was adopted in 1952, the day Puerto Rico became a commonwealth associated with the USA. There are three red bands to symbolize blood, 2 white bands and a white star to symbolize liberty and human rights, and the blue triangle which represents the coastal waters and Caribbean sky, but also completed the third color representing the branches of the republican government!