Flag of the New Polish Union

The official flag of the New Polish Union which consists of a horizontal band of red white and red with the Polish eagle in the left. The red(amaranth)white and red colour scheme dates back to the days of the Polish-Lithuanian Commonwealth from the 1500s.

Alternate flag
The variant flag of the New Polish Union which consists of the Lithuanian national flag with its coat of arms on the left, this flag is only used on the Lithuanian side and Lithuanian occupied Latvian territory and rarely used anywhere else. The flag was created to show the preservation of the Lithuanian culture and language.

Flag change
In 29 December 2025, the flag was changed to include Lithuania's coat of arms as well, and the name was changed to " The Polish and Lithuanian Banner".The alternate flag was abolished the following day