
Ketchup and Mustard Costume
The ultimate classic condiment pairing for a fun, easy duo look.
The Ketchup and Mustard costume is a beloved, lighthearted choice for couples, best friends, or family duos. This classic pairing features bright red and yellow outfits shaped like squeeze bottles, complete with pointed applicator hats. It is incredibly easy to wear, highly recognizable, and guaranteed to bring laughs to any Halloween party.
- Difficulty
- Easy
- Time
- ~15 min
- Budget
- $15–50
Try it on
See yourself as Ketchup and Mustard
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
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Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.

What you need for a Ketchup and Mustard costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Ketchup and Mustard costume — one box instead of 4 pieces.
Red or Yellow Tunic
A bright red tunic for Ketchup or a vibrant yellow tunic for Mustard, typically made of lightweight foam to hold a squeeze-bottle shape.
DIY: Use a plain oversized red or yellow t-shirt instead of a structured foam tunic.
Pointed Cone Hat
A matching red or yellow pointed cone hat that represents the squeeze bottle's dispensing tip.
DIY: Roll red or yellow poster board into a cone shape and attach an elastic band to wear as a party hat.
White Felt or Fabric Paint
Used to create the classic 'Ketchup' or 'Mustard' labels on the front of your shirt or tunic.
DIY: Cut letters out of white paper and safety-pin them to your shirt for a quick temporary option.
Black Leggings or Pants
Simple black leggings or pants to wear underneath the tunics for a clean, uniform look.
DIY: Any dark jeans or neutral pants you already own will work perfectly.
Rather not assemble it? See ready-made Ketchup and Mustard costumes at Spirit Halloween ↗
How to put it together
- 1
Choose your condiment: decide who will be Ketchup (red) and who will be Mustard (yellow).
- 2
Put on a base layer of comfortable black pants or leggings and a matching neutral shirt.
- 3
Slip the red or yellow condiment bottle tunic over your head, adjusting the armholes for comfort.
- 4
If DIYing, use white fabric paint or felt cutouts to write 'Ketchup' or 'Mustard' in bold lettering across the front of a solid red or yellow t-shirt.
- 5
Place the matching pointed cone hat securely on your head, using bobby pins if needed to keep it upright.
- 6
Coordinate with your partner to stand side-by-side to complete the classic pairing.
Makeup & hair
Keep hair simple and tucked under the pointed cone hats. Makeup can be minimal, or you can add fun red and yellow face paint accents on your cheeks for extra flair.
Ketchup and Mustard for couples, groups, kids & more
- couples
- The perfect duo look—one partner wears red Ketchup, the other wears yellow Mustard.
- group
- Add a third friend dressed as a hot dog or green relish to complete the backyard barbecue crew.
- kids
- Available in cute, comfortable child-sized tunics or easy DIY colored t-shirts.
- Plus size
- The loose, oversized tunic design is naturally accommodating and comfortable for all body types.
- pet
- Dress your dog up as a hot dog to perfectly complement your condiment outfits.
Tips
- Wear comfortable, neutral shoes like black sneakers since the tunic will draw all the attention.
- If the foam tunics are wrinkled from packaging, steam them gently on low heat before wearing.
- Keep your hands free for party snacks by choosing tunics with generous armholes.
Ketchup and Mustard costume FAQ
- Can I make a DIY Ketchup and Mustard costume?
- Yes! Simply use a plain red and a plain yellow t-shirt, then use fabric paint or felt to add the 'Ketchup' and 'Mustard' labels on the front.
- What should I wear under the condiment tunics?
- We recommend wearing simple black leggings or jeans and a black long-sleeve shirt to keep the focus on the bright tunics.
- Are these costumes comfortable for walking around?
- Yes, the lightweight polyester foam tunics are very easy to move in and fit comfortably over normal clothing.
Did you know? Condiment costumes consistently rank among the top ten most popular couples' costumes due to their simple humor and ease of wear.