Three Bean Salad

Ingredients
1 (15 ounce) can green beans
1 pound wax beans
1 (15 ounce) can kidney beans, drained and rinsed
1 onion, sliced into thin rings
3/4 cup white sugar
2/3 cup distilled white vinegar
1/3 cup vegetable oil
1/2 teaspoon salt
1/2 teaspoon ground black pepper
1/2 teaspoon celery seed
Directions

1. Mix together green beans, wax beans, kidney beans, onion, sugar, vinegar, vegetable oil, salt, pepper, and celery seed. Let set in refrigerator for at least 12 hours.