1 8-ounce can wax beans
1 8-ounce can cut green beans
1 8-ounce can red beans
1 mediums onion, thinly sliced and separated into rings

1/2 cup vinegar
1/2 cups salad oil
1/4 cup sugar
1 teaspoon celery seed
 
Drain beans.
In large bowl combine the beans and onion rings.

Combine vinegar, salad oil, sugar and celery seed mix well.  
Pour vinegar mixture over vegetables and stir lightly.

Cover and chill at least 6 hours or overnight, stirring occasionally.

Serves: 6 to 8