1 pkg. tri-color pasta
2 medium carrots, shredded
1 large red or purple onion, diced
1/2 tsp. celery seeds
1 (14 oz.) can sweetened condensed milk
1 c. vinegar
1 c. mayo
3/4 c. sugar
1 tsp. salt
1/2 tsp. pepper

Refrigerate overnight; at least 8 hours.