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🧜♀️ Light up the party with magical mermaid vibes!
The Koatobbor Girls Mermaid Costume is a lightweight, handmade tutu dress with vibrant LED lights designed for girls aged 3-8. Featuring adjustable satin straps and a stretchy elastic bodice, it offers comfort and style for Halloween, birthdays, and themed parties. The costume includes a matching mermaid headband and a hidden battery pouch for the LED lights (batteries not included), making it a dazzling choice for any little mermaid in training.






















| ASIN | B09QLB238T |
| Age Range Description | Little Kid |
| Apparel Fabric Stretch | Medium Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #45,810 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #166 in Girls' Costumes |
| Brand Name | Koatobbor |
| Care instructions | Do Not Wash |
| Color | Rainbow Led-light Purple |
| Customer Reviews | 4.6 out of 5 stars 1,998 Reviews |
| Fabric Type | Elastic,Satin |
| Fabric type | Elastic,Satin |
| Fit Type | loose |
| Fit to Size Sentiment | Neutral |
| Holiday Type | Halloween |
| Included Components | Headband,dress |
| Life Event | birthday |
| Material | Polyester |
| Maximum Age Recommendation | 8 |
| Neck Style | Round Neck |
| Number of Items | 2 |
| Number of Packs | 1 |
| Occasion | Halloween |
| Part Number | HU-XI-156 |
| Pattern | Mermaid |
| Product Care Instructions | Do Not Wash |
| Size | 5-6 Years |
| Sleeve Length Description | Sleeveless |
| Special Features | Waterproof |
| Style Name | Mermaid |
| Target Audience | Girls |
| Theme | Halloween |
| Unit Count | 1 Count |
| character | Mermaid |
G**Y
The perfect mermaid party dress
I ordered the light up dress and my daughter absolutely loved it. The torso area runs a bit long but it still worked out well. It is very stretchy and can accommodate nicely if needed. The batteries for the lights were easy to install and easy to hide in the sewn in pouch on the liner of the tutu. The lights are wonderful and vibrant even in day light! The bodice fabric snags easily but has stayed in tact through many dress up sessions. It is one of her favorite to wear and a definite eye catcher.
M**E
Fits good.
This costume is so cute. She loved it so she can play and look beautiful as she says.
A**Y
Love it
Love this costume I used it for my 4 year daughter birthday.. fit perfect the light was good she really loved it.. accessories were good the head piece is good quality..
D**D
Twinkling tails and birthday smiles
This dress is pure enchantment. The purple bodice with starfish and flower details, combined with the light-up multicolor tutu skirt, makes it an instant favorite for birthday parties, Halloween, or just backyard mermaid missions. I love the bonus LED feature, which adds sparkle without being too bright—just enough to wow without overwhelm. The matching seashell headband completes the look and fits snugly (yes, it’s adjustable!), making the whole set feel like an undersea celebration in motion. At 4.6 stars across 481 reviews and 300+ purchases this month, it’s clearly delighting lots of little sea explorers. Ours was first scooped up in February and it still makes waves in the dress-up bin. If you’re looking for a costume that blends princess charm with magical flair, this one floats to the top—and it’s earned every shimmer.
T**S
Light up Mermaid cutie
Such a cute Halloween costume/Mermaid birthday dress!! It is itchy unless you wear shorts underneath. I listened to other reviews and sized up. Can't wait for Mickeys not so scary with my "Ariel"
K**A
Magical mermaids
Maybe I’m living through my daughter just a wee bit with this cute little dress but she adores it too. The first one I ordered had a few snags on the front and back that made it look like an huge hole and some of the strings in the back were fraying which would have gotten worse had I not exchanged it. The exchange was easy and the second dress didn’t have a snag but still some frayed strings in the back which I just cut back and hoping for the best . If I would allow it , my daughter would live in this dress but I have yet to figure out how to clean it well besides spot cleaning . The headband is a little much for her but maybe she will like it in time . Overall if your little girl loves mermaids this dress is beautiful .
C**N
Mermaid Lightup Dress Love it
Omgosh we love the dress she was comfortable this was for my daughter’s 5th birthday party at her favorite place and she was in it for hours and never wanted to take it off! Fast delivery over beyond what I expected especially the price you can’t beat it! She wore size 5-6 what I picked and fit perfect and the fabric is soo nice and worth the value and was stretchy so if she was little bigger would still fit her We will definitely recommend to others she loves dressing up and we both love mermaid vibez lights just make her stand out even more and her headband was cute and she still wore it most the time never complained about anything!
S**A
Wonderful dress
Bought for my granddaughters birthday Everyone loved it especially the Adults Quality is great
I**O
Bonito y brillante
Hermoso vestido, telas sencillas tipo tul suave pero bonito como disfraz, las luces led brillan bonito y duran
M**O
Precioso vestido
La talla es la adecuada, la tela resistente, a mi bb le fascinó su vestido y más cuando lo prendió
R**A
Bonito vestido y buen precio
La tallas vienen acorde a la edad, ni grandes ni pequeñas, tiene buena calidad en general, es obvio que no es una prenda que aguantara un uso continuo, pero en general es muy similar fotografía del anuncio, solo tomar en cuenta que la falda no viene en un solo lienzo son varios lienzos de colores y hay que estirarlos uno por uno para que luzca bien.
K**M
no es de buena calidad, la composición de la falda es de retazos de tela y se ven mal
Es bonito pero no es de tan buena calidad, la tela de la falda parece retaceria de tela y la parte de arriba en las primeras horas comenzó a deshilarse
D**.
Bonito
Vestido bonito
Trustpilot
3 weeks ago
2 months ago