---
product_id: 45837538
title: "Mermaid Swim Costume Rashguard Set, UPF 50+ (5/6)"
brand: "tiny crowns"
price: "¥19964"
currency: JPY
in_stock: true
category: "Misc."
url: https://www.desertcart.jp/products/45837538-mermaid-swim-costume-rashguard-set-upf-50-5-6
store_origin: JP
region: Japan
---

# Mermaid Swim Costume Rashguard Set, UPF 50+ (5/6)

**Brand:** tiny crowns
**Price:** ¥19964
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Mermaid Swim Costume Rashguard Set, UPF 50+ (5/6) by tiny crowns
- **How much does it cost?** ¥19964 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/45837538-mermaid-swim-costume-rashguard-set-upf-50-5-6)

## Best For

- tiny crowns enthusiasts

## Why This Product

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

## Description

Enjoy The Benefits of Kids Swim Costumes and Safe Sun Protection Perfect for parents who want to protect their children from the sun. The Tiny Crowns Swim Costumes feature the cutest costume designs with certified UPF 50+ sun protection. From a unicorn, princess, mermaid, hula girl, and many more designs, your children will LOVE the fun costumes! Now your kids are fully protected, while at the beach, pool, lake, or ocean. The True Benefits Of Tiny Crowns Swim Costumes:  -UPF 50+ Sun Protection (Lab Test Certified) -Chlorine Resistant Fabric Will Not Fade -Variety Of Costume Designs Kids Love -Long Sleeves Provide Full Coverage -Full Body Rash-Guard Swimsuits (FunguardsTM) -Stretchy Fabric Easy To Slip On And Off -Smooth And Comfortable High Quality Fabric -Durable And Long Lasting Craftsmanship -Inspired By A Mom Who Cares About Kids -Made In The USA Means High Quality And Durability -Exclusive 100% Love-It Satisfaction Guarantee Every Tiny Crowns Swim Costume comes with our exclusive 100% LOVE-IT Guarantee. If you're not completely in love, we offer a complete 30 Day 100% Satisfaction Guarantee. Order Tiny Crowns Swim Costumes Today and Experience the Ultimate in Premium Sun Protection, Color Fast Fade Protection, and Super Cute Costume Designs! Click Add To Cart Today!

## Features

- WORLD'S FIRST SUN PROTECTED SWIM COSTUMES FOR KIDS - WHILE OTHER KIDS SWIMSUITS fabric fades, doesn't fit as expected, or material stretches and is see-through, the Tiny Crowns Swim Costumes are the world's first swimming costumes for kids with certified UPF 50+ sun protection. This means complete SUN PROTECTION for your kids, PEACE OF MIND, and HAPPIER kids and parents.
- SUPER CUTE, ADORABLE DESIGNS - The Tiny Crowns Kids Swimsuits are so cute your kids will love wearing them! Choose from a variety of designs including a unicorn, princess, hula girl, mermaid, sheriff, and many other fun designs! Long sleeves and optional hats provide a full body Rash-Guard protection (FunguardsTM).
- CHLORINE RESISTANT FABRIC WILL NOT FADE - The Tiny Crowns Kids Swimsuits are made from high quality chlorine resistant fabric, so you can go to the pool, hot tub, or ocean and the colors will not fade, unlike other cheaper quality swimsuits that fade after a few uses.
- MADE BY A MOM WHO CARES - Inspired by a mom who wanted better swim protection for her children, we decided to disguise a "costume" with certified UPF 50 protection and suddenly the kids were fighting over them! Our slogan is "The Fun Kids Want - The Protection They Need". We call it a #MommyWin #KidsWin
- EXCLUSIVE 100% LOVE-IT GUARANTEE - Every Tiny Crowns kids swim costume comes with our exclusive 100% LOVE-IT Guarantee. If you or your kids aren't in love with their new swimsuit, we offer a full 100% Satisfaction Guarantee. Buy with confidence, because we know you'll love it!

## Images

![Mermaid Swim Costume Rashguard Set, UPF 50+ (5/6) - Image 1](https://images-na.ssl-images-amazon.com/images/I/51k91IouusL.jpg)
![Mermaid Swim Costume Rashguard Set, UPF 50+ (5/6) - Image 2](https://images-na.ssl-images-amazon.com/images/I/41HXY-iQ6ZL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/45837538-mermaid-swim-costume-rashguard-set-upf-50-5-6](https://www.desertcart.jp/products/45837538-mermaid-swim-costume-rashguard-set-upf-50-5-6)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-23*