Yes, feather flags can be washed to remove dirt and grime that accumulates over time. Here are the general steps to wash a feather flag:
Remove the flag from the pole and detach any additional hardware or accessories.
Fill a large bucket or sink with cool water and add a mild detergent or fabric cleaner.
Submerge the flag in water and gently agitate it to work soap into fabric. allow soak for several minutes or as recommended by detergent manufacturer.
Rinse thoroughly with cool remove all traces of soap. Squeeze out any excess taking care not wring twist fabric.
Hang up air dry a shaded area away from direct sunlight.
*Note that specific cleaning instructions may vary depending on type fabric printing method used feather flag. always consult manufacturer test small inconspicuous before washing entire thing.