Marshmallow Costume
A sweet, puffy, and effortlessly fun classic food costume.
This guide focuses on the classic, sweet marshmallow confection costume—a puffy, cylindrical white look that is instantly recognizable. Perfect for food-themed groups or solo laughs, this costume is incredibly comfortable and easy to wear. It can be styled as a single giant marshmallow or a branded bag of sweet treats.
- Difficulty
- Easy
- Time
- ~20 min
- Budget
- $15–50
Try it on
See yourself as Marshmallow
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 Marshmallow costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Marshmallow costume — one box instead of 5 pieces.
White cylindrical tunic
A sleeveless, structured white tunic made of foam or plush fabric to mimic a cylindrical marshmallow shape.
DIY: Wrap a circular pop-up laundry hamper in white felt or batting, cutting out holes for your head and arms.
White long-sleeve shirt
A plain, solid white crewneck shirt worn as a base layer.
DIY: Use any plain white long-sleeve shirt or sweatshirt from your closet.
White leggings or pants
Form-fitting white leggings or slim-fit white sweatpants to complete the all-white silhouette.
DIY: Use any white pants, jeans, or sweatpants you already own.
White beanie hat
A snug, solid white knit beanie to keep the head covered and match the marshmallow aesthetic.
Brown fabric paint or felt
Optional brown felt sheets or fabric spray paint to create a 'toasted' look.
DIY: Cut organic wavy shapes out of brown felt and safety-pin them to the tunic to look like toasted spots.
Rather not assemble it? See ready-made Marshmallow costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the white long-sleeve shirt and white leggings or pants as your base layer.
- 2
Slip the cylindrical white marshmallow tunic over your head, aligning your arms with the armholes.
- 3
Adjust the tunic so it sits evenly on your shoulders and hangs straight down.
- 4
Put on the white knit beanie, tucking your hair inside for a clean, uniform look.
- 5
If desired, attach brown felt patches or lightly mist the top and bottom edges with brown fabric spray paint to look toasted.
- 6
Finish the look with a pair of clean white sneakers.
Makeup & hair
Keep makeup simple with a clean face, or add rosy pink circles to your cheeks using blush for a cute, cartoonish look. Keep hair completely tucked under the white beanie.
Marshmallow for couples, groups, kids & more
- couples
- Pair up with a partner dressed as a chocolate bar or a graham cracker to make a perfect S'mores couple.
- group
- Go as a campfire group: one marshmallow, one chocolate bar, one graham cracker, and someone dressed as a campfire.
- kids
- A simple white plush wearable tunic or a printed 'Jet-Puffed' bag costume is perfect and warm for chilly trick-or-treating.
- Plus size
- The wide, cylindrical shape of a fabric tunic offers a loose, comfortable, and highly accommodating fit for all body types.
- pet
- A white dog sweater with pink felt cheeks or a small cylindrical white plush body strap.
Tips
- If DIYing, use a circular pop-up laundry hamper with the bottom cut out as a sturdy, lightweight frame.
- Stuff the tunic lightly with polyester fiberfill or bubble wrap to keep its round, plump shape.
- Wear comfortable white sneakers since the rest of your body will be entirely white.
Marshmallow costume FAQ
- How do I make a DIY marshmallow costume?
- Use a white pop-up laundry basket, cut out the bottom, cut armholes, wrap it in white felt or batting, and secure it with hot glue.
- How do I make a 'toasted' marshmallow look?
- Lightly spray-paint the top and bottom edges with light brown and gold fabric spray paint, or safety-pin brown felt patches to the tunic.
- Is this costume easy to walk in?
- Yes, as long as the tunic ends above your knees, you will have full leg mobility for walking and sitting.
Did you know? The marshmallow confection originally comes from a medicinal plant called Althaea officinalis, which ancient Egyptians mixed with honey to soothe sore throats.