Fetching details from the dictionary...

to peel off; to come off; to flake off
「剥げる」 has another reading with different meanings.
長年の使用で色が剥げてしまったカバンを修理した。
I repaired the bag whose color had faded from years of use.
古い塗装が雨風でところどころ剥げた。
The old paint peeled off here and there from the rain and wind.
その椅子は表面の塗装が剥げている。
The surface paint on that chair is peeling off.