Girls' Halloween Mermaid Costume Dress-Up with Accessories and Tulle Fin for Party
Halloween Sale: Up to 50% OFF on selected products.
Girls' Halloween Mermaid Costume Dress-Up with Accessories and Tulle Fin for Party
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Availability may change at any time. To be sure, contact the store before purchasing.
Product not available in New York. (only available online)
Transform your daughter into an enchanting sea creature with this girls mermaid costume, a complete dress-up ensemble designed for Halloween, birthday parties, and themed celebrations. Featuring a stunning purple and teal design with shimmering metallic scale print, this costume delivers an instant magical transformation. The soft tulle mermaid tail hem, delicate sheer cap sleeves, and gold sequin trim create an authentic siren costume look, while the included accessories—floral headband, toy wand, sequined purse, tiara crown, and beaded jewelry set—complete the entire mermaid theme outfit in one box.
A seasonal best seller every year — parents and children love the complete, ready-to-wear design that needs no extra shopping.
Halloween and party season stock moves quickly — order early to ensure delivery in time. Dispatched within 24–48 hours.
Halloween Costume Parties: The complete accessory set makes this mermaid theme dress an instant showstopper at any seasonal celebration.
Birthday and Fantasy Celebrations: A mermaid birthday outfit that doubles as role-play wear for extended imaginative play beyond the party day.
Trick-or-Treating and Outdoor Events: The comfortable fit and durable tulle fin hem keep children happy and confident during evening costume adventures.
Themed Photoshoots and Dress-Up Play: The shimmering scale detail and coordinated accessories create picture-perfect moments for memory-making.
Simply slip on the mermaid costume dress and secure the included accessories for an instant complete look. The soft, lightweight tulle and polyester blend make it comfortable to wear for hours of trick-or-treating, party fun, or imaginative play. After use, gently hand wash or spot clean the costume and accessories, then store flat or hanging in a cool, dry place so it stays fresh and reusable for many Halloween seasons to come.
Halloween is almost here—order now so this mermaid theme outfit arrives in time for your celebration. We dispatch within 24–48 hours and stand behind every purchase with our money-back guarantee, so you can shop with confidence.
We offer free shipping with no minimum order value. Every order can be tracked at any time using an individual tracking number.
We offer a 30-day right to return or exchange if for any reason you are not satisfied with your order.
Your Casa Matto Guarantee
We offer a 30-day return policy so you can shop with complete peace of mind. If a piece isn't right for you, simply send it back within 30 days of delivery. Returns are quick and hassle-free — just reach out to our team and we'll guide you through the whole process.
Beautifully made and exactly as pictured. The warm light creates such a cozy atmosphere, and it arrived much sooner than I expected.
Looks even better in person. It brightens the whole room and fits perfectly with my modern décor.
Bought it on a whim and I'm so glad I did. It creates a lovely ambience in the evenings and the delivery was really fast.
Really pleased with it. The clock looks elegant on the wall, keeps accurate time, and was very easy to hang.
This is my second order from this store. The faucet looks fantastic, works perfectly, and the quality is consistently excellent.
Exactly what I was looking for. It gives off a warm, pleasant light and the finish looks even better than in the photos.
Shipping is free on all orders — there are no hidden delivery costs at checkout.
Yes. You have 30 days from delivery to return any item. Just contact our team and we'll guide you through it.
If your order hasn't shipped yet, contact us as soon as possible and we'll cancel it for you.
Reach out to our support team with your order number and we'll track it down and make it right.
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Enjoy complimentary & fast shipping on every order, no minimum spend, no surprises.
30-day return policy
If you are not completely satisfied with your purchase, you have 30 days to return or exchange the item — just reach out to our team.
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