DIY Halloween Costumes: 17 Low-Plastic Ideas

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Girl dressed in DIY halloween costume that is a cardboard unicorn.
Girl dressed in DIY halloween costume that is a cardboard unicorn.

Key Takeaways

  • DIY Halloween costumes save money and let you skip the plastic that fills 83% of store-bought costumes.
  • The easiest low-plastic costumes start with what you own or thrift: cotton, denim, wool, and cardboard beat new polyester every time.
  • Small swaps do the heavy lifting: wool felt over craft felt, mineral face paint over glitter, cardboard props over foam.

A DIY Halloween costume is any costume you make yourself instead of buying a pre-packaged one off the shelf. Most people go the DIY route to save money, to get creative, or to end up with something nobody else at the party is wearing. There is one more reason worth knowing: most store-bought costumes are made of plastic. A 2019 survey by the Fairyland Trust and Hubbub found that 83% of the material in the Halloween costumes they checked was oil-based plastic, mostly polyester. Making your own is the easiest way to skip that.

You do not need to sew, spend much, or be crafty. This guide gives you 17 easy DIY Halloween costume ideas, each one built from things you probably already own or can grab cheap from a thrift store. Because a homemade costume can still hide plastic in the details, every idea includes a simple low-plastic swap. Pick one, gather a few supplies, and you are done.

Quick Tips Before You Start

Before making a DIY Halloween costume, gather a few basics: clothes you already own or thrift, cardboard, wool felt, twine, safety pins, and fabric glue. Most costumes need nothing more than that.

Before you pick a costume, get your supplies and your plan sorted. It saves a last-minute panic run to the store. Most DIY costumes come together with a short list of basics, so reach for these first:

  • Clothes you already own, or thrifted pieces in the right colors
  • Cardboard from delivery boxes, plus kraft paper or newspaper
  • Wool or wool-blend felt, twine, and safety pins
  • Fabric glue, a hot glue gun, and paper-based tape
  • A white cotton bedsheet or old muslin for ghosts, togas, and mummies
  • Mineral face paint and a few basic makeup items you own

For kids, keep it comfortable and safe. Pick closed-toe shoes they can walk in, skip masks that block their view since face paint is easier and more comfortable, and layer warm clothes underneath if trick-or-treating gets cold. Do a small patch test of any face paint on the inside of the arm a day ahead to check for a reaction.

Don’t Miss: DIY Halloween Decorations: 21 Plastic-Free Ideas Once the costume is sorted, the porch and the party are next. Paper, wood, fabric, and foraged finds that give you the spooky look without the plastic. Read more →

Why Are Store-Bought Halloween Costumes a Plastic Problem?

Store-bought Halloween costumes are mostly plastic. A 2019 Fairyland Trust and Hubbub survey found 83% of the material tested was oil-based plastic, mainly polyester. Americans spend about $4.3 billion on Halloween costumes a year, most of them polyester and many worn only once.

Store-bought costumes are mostly plastic because they are made from cheap synthetic fabric. In that survey of 324 costume items, most of the material was oil-based plastic. The scale is easy to picture in the US, where the National Retail Federation expects shoppers to spend about $4.3 billion on Halloween costumes in 2025, and roughly 7 in 10 people buy one each year. Most are polyester, and a costume worn once then thrown out joins the 11.3 million tons of textiles the US landfills every year.

Here is the part most people miss. Polyester, nylon, and acrylic are all plastic. Washing synthetic clothing sheds tiny plastic threads called microfibers. One study found a single 6kg wash load of polyester released around 496,030 microfibers, while acrylic released about 728,789. A costume worn once, then tossed, is plastic that sticks around for centuries. Glitter tells the same story, since it is microplastic, and research shows both regular and biodegradable glitter can harm freshwater life.

Is Craft Felt Actually Plastic?

Most felt sold in craft stores is polyester or acrylic, which means it is plastic. Wool felt or a wool blend is the real low-plastic choice. It costs a little more, but it looks better and it lasts.

Making your own costume from natural materials skips most of this. Here is a quick cheat sheet you can come back to. When a costume calls for one of these plastic items, reach for the swap instead.

Common plastic costume item Why it is plastic Low-plastic swap
Store-bought polyester costumeSynthetic fabric that sheds microfibersThrifted cotton, wool, or denim clothes
Craft felt (most of it)Usually polyester or acrylicWool or wool-blend felt
Foam props and accessoriesPlastic foam (EVA, polystyrene)Cardboard or papier-mache
GlitterMicroplasticMineral or mica-based makeup, or skip it
Plastic masksPVC plasticFace paint or a cardboard mask
Synthetic wigsPlastic fibersReal hair styling, thrifted, or wool yarn
Bottled fake bloodPlastic bottle and additivesHomemade cornstarch and cocoa blood
Poly-fil stuffingPlastic fiber fillOld clothes, cotton batting, or newspaper
Don’t Miss: How to Reduce Plastic Use Costumes are just the start. Get the simple, room-by-room plan for cutting plastic everywhere it hides at home. Read more →

You will notice several of these come from Zygote Brown Designs. I keep going back to them because their cardboard templates turn a stack of delivery boxes into something that genuinely looks impressive, for almost nothing. They are also the easiest builds to hand off to your kids. Print the template, cut, and let them put it together alongside you.

Save This for Halloween 📌

Pinterest pin titled 83% of Store-Bought Costumes Are Plastic, 17 DIY ideas that skip it, showing low-plastic DIY Halloween costumes for kids including a cardboard unicorn, two cardboard Frankenstein masks, a green praying mantis, a cardboard haunted house, and a cardboard robot family, on an orange and purple border with jack-o'-lanterns and bats.

Materials and Budget: Costumes for Almost Nothing

The cheapest DIY Halloween costumes come from your own closet, a thrift store, and the recycling bin. Most cost under $10, and many cost nothing.

The cheapest and lowest-plastic costumes come from three places you already have access to. Start with your own closet: pull out everything black, white, brown, and denim, and you have covered ghosts, cats, skeletons, scarecrows, mummies, and half the animals you can think of.

Next, the thrift store. For a few dollars you can find natural-fiber clothes in any color, plus scarves, hats, and old sheets to cut up. Thrifting keeps clothes out of the landfill and new polyester out of your costume. Last, the recycling bin: delivery boxes become robot bodies, wings, scythes, and signs, and that cardboard is both free and the lowest-plastic material you can find.

To keep costs down, shop your closet first, borrow or swap pieces with friends, buy nothing single-use, and store the parts you make so you can reuse them. A costume you can wear again, or hand down, is cheaper and greener than a bagged costume worn once.

Final Tips for Finishing the Look

To finish a DIY Halloween costume, use mineral face paint instead of a mask, add one signature prop for recognizability, and wear closed-toe shoes with warm layers underneath for comfort.

A few small touches take a costume from close enough to one you love. Face paint does more than a mask ever will, and it is more comfortable, so choose a mineral-based paint and patch-test it first. Skip glitter, which is microplastic, and use a touch of mica shimmer or nothing at all. Raid the thrift store for hats, glasses, and jewelry that sell the character.

Comfort matters more than you expect. Parties and trick-or-treating mean a lot of walking, sometimes in the cold, so wear closed-toe shoes you can move in and layer warm clothes underneath rather than over the costume. Make sure kids can see and hear clearly. And to make any costume recognizable, lean on one clear signal: a single strong color, a signature prop, or a well-known pose tells people who you are from across the room.

FAQs About DIY Halloween Costumes

What is the easiest DIY Halloween costume?

The classic ghost. Take an old white cotton bedsheet, drape it over your head, mark where your eyes are, and cut two holes. It takes about five minutes, costs nothing, and uses no plastic.

How do I make a costume without sewing?

Use fabric glue, a hot glue gun, and safety pins instead of a needle and thread. Wool felt, thrifted clothes, and cardboard all hold together fine with glue and pins, so most ideas here skip sewing entirely.

What can I use if I do not want to spend much money?

Start with clothes you already own, especially black, white, brown, and denim pieces. Fill gaps at a thrift store for a few dollars, and use cardboard from delivery boxes for props. Most costumes here cost under $10, and many cost nothing.

How do I make a costume for a school event or party?

Keep it recognizable, comfortable, and school-appropriate. Many schools ban masks and weapons, so use face paint instead of a mask and cardboard props instead of anything that looks like a real weapon. Pick closed-toe shoes and a costume your child can wear through a full day without overheating.

How do I keep my DIY costume low-plastic?

Start with natural-fiber clothes you own or thrift, choose wool felt over regular craft felt, use cardboard instead of foam, and pick mineral face paint over glitter. Those four swaps handle almost every costume on this list.

Final Thoughts About DIY Halloween Costumes

The lowest-plastic Halloween costume is the one you make from what you already own. Start with your closet and a couple of cardboard boxes, and you are halfway there.

DIY Halloween costumes save you money, let you be creative, and give you something no one else will have. Better still, making your own is the simplest way to skip the plastic that fills most store-bought costumes. With clothes you already own, a thrift-store find or two, and a few cardboard boxes, you can build any of the 17 ideas here.

Choose one costume that fits your time, your budget, and your style. If you do only one thing today, gather your supplies: pull the black, white, and brown clothes from your closet and set a couple of boxes aside. You are already halfway to a costume.

📚 References
  1. Fairyland Trust, & Hubbub. (2019). Halloween clothing and costumes survey 2019. Fairyland Trust. http://www.fairylandtrust.org/wp-content/uploads/2019/10/Halloween-Plastics-Clothing-and-Costumes-Report-2019.pdf
  2. Green, D. S., Jefferson, M., Boots, B., & Stone, L. (2021). All that glitters is litter? Ecological impacts of conventional versus biodegradable glitter in a freshwater habitat. Journal of Hazardous Materials, 402, 124070. https://doi.org/10.1016/j.jhazmat.2020.124070
  3. Napper, I. E., & Thompson, R. C. (2016). Release of synthetic microplastic plastic fibres from domestic washing machines: Effects of fabric type and washing conditions. Marine Pollution Bulletin, 112(1-2), 39-45. https://doi.org/10.1016/j.marpolbul.2016.09.025
  4. National Retail Federation. (2025). NRF consumer survey finds Halloween spending to reach record $13.1 billion. National Retail Federation. https://nrf.com/media-center/press-releases/nrf-consumer-survey-finds-halloween-spending-to-reach-record-13-1-billion
  5. U.S. Environmental Protection Agency. (n.d.). Textiles: Material-specific data. U.S. Environmental Protection Agency. Retrieved August 22, 2026, from https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/textiles-material-specific-data

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Melissa Walker, founder of Thriving Sustainably

Hi, I’m Melissa-founder of Thriving Sustainably

Melissa Walker is the founder of Thriving Sustainably. A mom who started reading the labels after learning how much microplastic ends up in our bodies, she co-leads the environmental pillar of a Fortune 500 company’s employee sustainability program and rates brands against public certification databases so families can lower their microplastic exposure without the guesswork.