---
product_id: 423002805
title: "Koatobbor Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years"
brand: "koatobbor"
price: "$75.90"
currency: USD
in_stock: true
category: "Koatobbor"
url: https://www.desertcart.us/products/423002805-koatobbor-girls-mermaid-costume-mermaid-tutu-dress-color-led-light
store_origin: US
region: United States of America
---

# Vibrant LED light-up tutu Adjustable satin straps & elastic fit Handmade marine-themed decor Koatobbor Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years

**Brand:** koatobbor
**Price:** $75.90
**Availability:** ✅ In Stock

## Summary

> 🧜‍♀️ Shine bright, swim stylish—be the mermaid everyone envies!

## Quick Answers

- **What is this?** Koatobbor Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years by koatobbor
- **How much does it cost?** $75.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/423002805-koatobbor-girls-mermaid-costume-mermaid-tutu-dress-color-led-light)

## 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

- • **Glow Like No Other:** LED lights transform playtime into a magical night spectacle
- • **Lightweight & Waterproof:** Durable polyester fabric keeps your little mermaid comfortable and ready for adventure
- • **Handcrafted Mermaid Magic:** Intricate starfish and flower details bring fantasy to life
- • **Versatile Party Essential:** Ideal for birthdays, Halloween, and themed celebrations—stand out every time
- • **Perfect Fit, Effortless Wear:** Adjustable satin straps and stretchy crochet bodice for all-day comfort

## Overview

The Koatobbor Girls Mermaid Costume is a lightweight, handmade tutu dress with vibrant LED lights, adjustable satin straps, and a stretchy crochet bodice designed for girls aged 3-8. Perfect for Halloween, birthday parties, and themed events, this waterproof polyester costume includes a matching headband and creates an enchanting mermaid look that’s both comfortable and eye-catching.

## Description

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

## 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 | B09QLC7MTR |
| ASIN  | B0BHR315JM |
| Age Range Description | Little Kid |
| Apparel Fabric Stretch | Medium Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #63,545 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #77 in Girls' Costumes |
| Brand Name | Koatobbor |
| Closure Type | Pull On |
| Color | Rainbow Led-light Purple |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,986) |
| Date First Available  | October 9, 2022 |
| Department  | Girls |
| Fabric Type | Elastic,Satin |
| Fit Type | Loose |
| Fit to Size Sentiment | Positive |
| Garment Size Country | United States |
| Included Components | Headband,dress |
| Material | Polyester |
| Occasion | Halloween |
| Part Number | HU-XI-157 |
| Pattern | Marine/Oceanic |
| Product Care Instructions | Do Not Wash |
| Size | 7-8 Years |
| Sleeve Length Description | Sleeveless |
| Special Features | Waterproof |
| Special Sizes | Little girls |
| Style Name | Mermaid |
| Theme | Halloween |
| Unit Count | 1 Count |
| character | Mermaid,Mermaid.your |

## Images

![Koatobbor Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years - Image 1](https://m.media-amazon.com/images/I/816r7PqVgZL.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 .

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-23*