Pennant awarded to clean beaches (4,4)

I believe the answer is:

blue flag

'pennant awarded to clean beaches' is the definition.
(I've seen this before)

This is the entire clue.

(Another definition for blue flag that I've seen is " Pennant awarded to clean beaches".)

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.