I Put Ketchup On My Ketchup! Tomato Ketchup bottle costume showing a vintage ketchup label. Wear as a Ketchup and Mustard halloween costume or Tomato costume. Be the Ketchup bottle in your group or use it as ketchup and mustard costume for kids and family. Funny Ketchup Costume Shirt for Halloween, condiment for couples & groups. Funny Food costume, condiment costume for Halloween. Combine this DIY Ketchup Costume for Halloween w/ Mustard and Mayo t-shirts to make matching condiment Halloween costumes. 8.5 oz, Classic fit, Twill-taped neck