---
product_id: 435221610
title: "Girls Mermaid Costume Mermaid Tutu Dress"
brand: "koatobbor"
price: "VT12549"
currency: VUV
in_stock: true
reviews_count: 8
category: "Koatobbor"
url: https://www.desertcart.vu/products/435221610-girls-mermaid-costume-mermaid-tutu-dress
store_origin: VU
region: Vanuatu
---

# Multicolor LED light-up tutu Adjustable satin shoulder straps Handmade vibrant tulle with starfish & flowers Girls Mermaid Costume Mermaid Tutu Dress

**Brand:** koatobbor
**Price:** VT12549
**Availability:** ✅ In Stock

## Summary

> 🧜‍♀️ Light up the party and make waves with every twirl!

## Quick Answers

- **What is this?** Girls Mermaid Costume Mermaid Tutu Dress by koatobbor
- **How much does it cost?** VT12549 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/435221610-girls-mermaid-costume-mermaid-tutu-dress)

## Best For

- koatobbor enthusiasts

## Why This Product

- Trusted koatobbor brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete the Look:** Includes matching seashell headband for that authentic undersea princess vibe.
- • **Glow Like No Other:** LED-lit tutu skirt creates magical nighttime sparkle for unforgettable moments.
- • **Party-Ready Versatility:** Ideal for birthdays, Halloween, themed parties, and everyday dress-up adventures.
- • **Handcrafted Mermaid Magic:** Vibrant handmade tulle adorned with starfish and flowers transforms your girl into a real mermaid.
- • **Perfect Fit, Effortless Style:** Adjustable satin straps and elastic crochet bodice ensure comfy, easy wear for ages 3-8.

## Overview

The Koatobbor Girls Mermaid Costume is a lightweight, handmade tutu dress featuring multicolor LED lights, adjustable satin straps, and a crochet elastic bodice designed for girls aged 3-8. Perfect for Halloween, birthday parties, and dress-up play, it includes a matching mermaid headband and is crafted from elastic polyester with waterproof features. With over 1,900 glowing reviews and a 4.6-star rating, this costume blends enchanting design with practical comfort to make your little one the star of any event.

## Description

desertcart.com: Koatobbor Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years : Clothing, Shoes & Jewelry

Review: Cute little dress - Cute, very attractive design and fun for little girls. Haven't washed it yet! Good quality beautiful when lights on!
Review: 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.

## Features

- 【GIRLS MERMAID COSTUME】Include 1 LED light up mermaid dress+ 1 Mermaid headband. It is suitable for 3~8years old girls.（Please purchase 3 Pack AAA batteries separately ）
- 【LED LIGHT UP DRESS】Girls can wear dress without LED light during the day. At night, when your girls wear it on, she will looks more glamorous.
- 【EASY to WEAR】Mermaid tulle tutu skirt with adjustable satin shoulder straps, knitted crochet elastic top bodice, It is easy to put on and put off for your girls.
- 【HANDMADE】This mermaid costume is handmade vibrant color tulle costume decor with starfish and flowers. When your girls wear it, she become a real mermaid.Your little girl will love this dress so much.
- 【PARTY DRESS UP】Mermaid dress up costume is very suitable for daily wear, birthday parties, mermaid theme party, princess pageant, Christmas gifts, Halloween, dress up and other occasions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09QL99W41 |
| Age Range Description | Little Kid |
| Apparel Fabric Stretch | Medium Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #63,812 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #92 in Girls' Costumes |
| Brand Name | Koatobbor |
| Care instructions | Do Not Wash |
| Color | Rainbow Led-dark Purple |
| Customer Reviews | 4.6 out of 5 stars 1,933 Reviews |
| Fabric Type | Elastic,Satin |
| Fabric type | Elastic,Satin |
| Fit Type | Loose |
| Fit to Size Sentiment | Positive |
| Garment Size Country | United States |
| Included Components | Dress, Headband, Skirt, Suit, Top |
| Material | Polyester |
| Occasion | Halloween |
| Pattern | Cartoon |
| Product Care Instructions | Do Not Wash |
| Size | 5-6 Years |
| Sleeve Length Description | Sleeveless |
| Special Features | Waterproof |
| Special Sizes | Little girls |
| Theme | Halloween |
| character | Mermaid,Mermaid.your |

## Images

![Girls Mermaid Costume Mermaid Tutu Dress - Image 1](https://m.media-amazon.com/images/I/81L3jvS06mL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: My daughter is 3.5 and 33 ilbs mainly wears 4t to 5t what size should i get**
A: 5T, due that the dress come 2 sizes smaller

**Q: My daughter is 5 , she usually were from 4-5 (110), which sizes shill I choose?**
A: Size up at least 1 ir 2 sizes.

**Q: I just received the dress and my daughter and I love it but i cant figure out how to attach the straps in the back. Can you please help?**
A: it ties like a halter not a tank top ❤️ you just tie it behind the head

**Q: My daughter wears 6t what size should I buy 5-6 or 7-8**
A: my daughter wore it for her 7th birthday and at the time she was between sizes 6-7 in regular clothes. I got het size 7-8 and it fit perfectly , I’m pretty sure size 6-7 would’ve been small because the 7-8 fit snug around her chest. She is an average size . I suggest you go with a larger size .

## Customer Reviews

### ⭐⭐⭐⭐⭐ Cute little dress
*by G***S on February 27, 2026*

Cute, very attractive design and fun for little girls. Haven't washed it yet! Good quality beautiful when lights on!

### ⭐⭐⭐⭐⭐ Twinkling tails and birthday smiles
*by D***D on July 27, 2025*

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.

### ⭐⭐⭐⭐⭐ Absolutely beautiful
*by C***R on February 11, 2026*

My granddaughter wanted to be a mermaid for Halloween. This dress was soft in the upper chest so she didn't feel itchy! Oh, it lights up with batteries in a little battery pocket

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-11*