You “Mayonnaise” want to flip a coin on who wears what when you slip on this Couple’s Costume. Come as America’s great debate, Mustard or Ketchup? These polyester Tunic Costumes and hats are comfortable and easy to wear. They will fit over your own clothes. Just be careful for wandering hamburgers and hot dogs looking to add a little spice to their life! One Size fits most adults.