Personalized Funny Ketchup Or Mustard T-Shirt. Funny Ketchup or Mustard Joke T-Shirt - White says Ketchup or Mustard? That is the Question! Great gift for just about anyone. Art c. Ne' Metzger. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.