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Mermaid Party Treat Bag Ideas + Free Printable Topper | A Bug & A Bean

By a Bug & a Bean | Posted on 2025-07-04

Planning a mermaid party? Discover magical mermaid treat bag filler ideas and grab a free personalized treat bag topper! Easy DIY party favor inspiration with affordable links.

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MERMAIDS  PARTY  MERMAID PARTY  
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🧜‍♀️ How to Make and Fill Magical Mermaid-Themed Treat Bags for Your Next Party

Planning an under-the-sea celebration? Summer mermaid parties are pure magic with the shimmering tails, pearly seashells, and just the right touch of sparkle! One of my favorite ways to make any party feel extra special is by sending little guests home with ocean-inspired treat bags filled with treasures from the deep.

In this post, I’ll walk you through how to make your own mermaid treat bags, share some fun and affordable filler ideas, and give you a freebie to top it all off—literally!

🎁 Start with a Custom Touch: Free Mermaid Treat Bag Topper

Let’s make your goodie bags look like they swam straight from a mermaid cove! I’ve created a FREE printable mermaid-themed treat bag topper that you can personalize with your child’s name or party message. It fits standard 3" wide bags and adds a splash of charm to your party table. If you need a different size treat bag, you can easily resize the design in Google Docs by following this simple video tutorial.

🧜‍♀️ Download your free custom mermaid treat bag topper here and personalize for your party.

Simply print, trim, fold, and staple to your filled treat bags. Easy, cute, and totally sea-worthy!

What to Put in a Mermaid Treat Bag

Need ideas for what to put in each bag? Here are some adorable mermaid-themed fillers that are budget-friendly and kid-approved. Bonus: I’ve included affiliate links to my favorites so you can stock up without the stress.

Image of assortment of 210 under the sea themed bead and jewelry making kit

Personalized Ocean Jewelry

Give you guests a gift from the heart and personalize a special ocean necklace or bracelet with this 210 piece kit.

$12.69
View on Amazon
Image of two arms with with assorted mermaid themed temporary tattoos

Pre-Cut Mermaid Temporary Tattoos

These tattoos are adorable and pre-cut with mermaid tails, shells, crowns, and under the sea delight!

$7.99
View on Amazon
Set of 12 shell hair clips spread out on a blue table and magazine.

12 Mermaid Shell Hair Clips

These shell hair clips are too cute and will be a sure favorite in a mermaid party treat bag.

$8.99
View on Amazon

How to Assemble Your Mermaid Treat Bags?

  • Fill a clear 3 inch wide cellophane bag with 1 bracelet, 1 hair clip, and a few tattoos.
  • Customize your mermaid treat bag topper and click the download button to get your custom PNG image file.
  • Follow the instructions on this blog post to learn how to print multiple on one page. (optional)
  • Fold your printable treat bag topper over the top of the bag.
  • Staple it in place at the top of the cellophane bag.
  • Display in a basket or scallop shell bowl for maximum enchantment!

Party Magic Without the Stress

Crafting party favors doesn't have to be complicated. With just a few creative fillers and a charming topper, your treat bags will be the talk of the (undersea) town.

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