Pack peppers into a sterilized 1-quart jar with a lid.
In a small saucepan, bring white vinegar to a boil over high heat. Pour vinegar over peppers in jar and cover with lid. Let cool to room temperature. Chill in refrigerator for at least 24 hours before serving. Refrigerate for up to 6 months.
Recipe by Taste of the South at https://tasteofthesouthmagazine.com/pepper-vinegar/