---
product_id: 119035631
title: "Splash About Happy Nappy Duo Reuseable Swim Nappy for Babies and Toddlers (Under The Sea, 2-3 Years)"
brand: "splash about"
price: "¥5164"
currency: JPY
in_stock: true
reviews_count: 13
category: "Splash About"
url: https://www.desertcart.jp/products/119035631-splash-about-happy-nappy-duo-reuseable-swim-nappy-for-babies
store_origin: JP
region: Japan
---

# Leak-proof double layer system Made from recycled plastic waste World’s first silver lining reusable swim nappy Splash About Happy Nappy Duo Reuseable Swim Nappy for Babies and Toddlers (Under The Sea, 2-3 Years)

**Brand:** splash about
**Price:** ¥5164
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive into worry-free swim days with the Happy Nappy Duo!

## Quick Answers

- **What is this?** Splash About Happy Nappy Duo Reuseable Swim Nappy for Babies and Toddlers (Under The Sea, 2-3 Years) by splash about
- **How much does it cost?** ¥5164 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/119035631-splash-about-happy-nappy-duo-reuseable-swim-nappy-for-babies)

## Best For

- splash about enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Chic Swimwear:** Reusable, chlorine-resistant, and crafted from recycled materials—swim sustainably.
- • **Long-Lasting Value:** Durable, stretchy, and easy to clean—your only swim nappy for years to come.
- • **Approved by Experts:** Trusted by UK swim schools for safe, secure swim lessons every time.
- • **Skin-Loving Comfort:** Super-soft neoprene and Lycra soothe delicate skin, no red marks or chafing.
- • **Ultimate Leak Protection:** Double-layer design keeps pools accident-free and stress-free.

## Overview

The Splash About Happy Nappy Duo is the world’s first reusable swim nappy featuring a silver lining and double-layer leak protection, approved by UK swim schools. Made from soft neoprene and high-grade Lycra, it offers superior comfort and durability while being eco-friendly through recycled materials. Designed for toddlers aged 2-3 years, it ensures a secure, snug fit that prevents leaks and skin irritation, making it the ultimate sustainable swim essential for active little swimmers.

## Description

Product Description Made from super-soft 1mm thick neoprene and the highest-grade Lycra, the Happy Nappy is designed to be gentle on baby’s skin. With no tight elastic, it has been developed to move as your baby moves, so it won’t leave red marks or chafe the skin. The snug ribs around the waist and thighs are reliable in keeping in solids and preventing any accidents from leaking into the pool. Regularly voted the most comfortable swim nappy and with no poppers or Velcro, the Happy Nappy is the most secure, leak-proof swim nappy available. Directions 1. Correct sizing and adjustment. 2. Check for proper fit. 3. Remove and clean according to manufacturer's instructions. Safety Warning For safe and hygienic use, please follow these instructions: 1. Proper fit and usage: Ensure the incontinence protector is correctly sized and adjusted for a snug fit around the waist and thighs. 2. Disposal: Dispose of used products properly in accordance with local regulations. 3. Skin irritation: Monitor the skin for any signs of irritation or allergic reactions. If any occur, discontinue use and consult a healthcare professional.

Review: Perfect Swim Nappy for Our 7-Month-Old – No Leaks, No Worries! - We recently started baby swimming classes with our 7-month-old, and the Splash About Happy Nappy has been a total game-changer. It’s comfortable, secure, and does exactly what it promises—no leaks! I was a little nervous about pool accidents, but this nappy gives real peace of mind. It fits snugly around the legs and waist without being too tight, and our baby doesn’t seem bothered by it at all. We pair it with a reusable swim nappy liner for easy cleanup, and it works beautifully. The quality is excellent—it’s stretchy, soft, and easy to get on and off, even with a wriggly baby. Plus, the designs are adorable, which is a bonus! It’s also great knowing it’s approved by most baby swim schools, so we didn’t have to worry about meeting any class requirements. Highly recommend for any parent getting into baby swimming—this nappy takes away the stress and lets you just enjoy the fun!
Review: A Must-Have for Little Swimmers – We've Used These for Years! - My son has been swimming since he was just 12 weeks old — he’s now 3, and we still keep coming back to the Happy Nappy by Splash About. It’s honestly the one swim essential I’ve never had to second-guess. From baby swim classes to toddler splash sessions, this nappy has never let us down. It fits snugly without being uncomfortable, and I love the peace of mind knowing there won’t be any accidents in the pool. The material is soft yet durable, and the waistband and leg cuffs give a secure seal that holds up even through lots of wriggling and movement. We’ve gone through a few sizes over the years, and every one has been great. Easy to rinse out, dries quickly, and the designs are always cute — a small bonus, but it makes it fun for him to pick which one to wear! If you’re thinking of starting swimming with your little one or just need a reliable swim nappy that actually works, this is it. Couldn’t recommend it more highly!

## Features

- WORLD FIRST - The world’s first reusable swim nappy with silver lining. Approved by UK swim schools as a double layer nappy system, there is no need to ever buy a disposable swim nappy again.
- LEAK PROOF – The best choice you can make. The Happy Nappy DUO is the ultimate in leak protection, reliably ensuring poo stays in the nappy and doesn’t leak into the pool.
- COMFORT & QUALITY - Made from super-soft neoprene and the highest-grade Lycra, the Happy Nappy Duo is designed to be gentle on baby’s skin and can help soothe sore bottoms and nappy rash.
- REUSABLE – The Happy Nappy DUO is fantastic value for money as it’s the only nappy you need! Reusable & chlorine resistant, it works harder for longer without losing its shape or elasticity.
- OUR PLANET-At Splash About we are determined to save the planet one bottom at a time. The DUO is reusable and made from recycled plastic waste material, ensuring we don’t add to environmental damage

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07P56B2Z7 |
| Age Range Description | Toddler |
| Age range (description) | Toddler |
| Best Sellers Rank | 39 in Baby Products ( See Top 100 in Baby Products ) 1 in Reusable Swim Nappies |
| Brand | Splash About |
| Brand Name | Splash About |
| Colour | Under the Sea |
| Country Of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 16,779 Reviews |
| Global Trade Identification Number | 05060445598789, 05061016539682 |
| Incontinence Protector Size | Size 2 to 3 |
| Incontinence Protector Type | Swim Diaper |
| Incontinence protector type | Swim Diaper |
| Item Dimensions | 27 x 28 x 1 centimetres |
| Item Length | 27 Centimetres |
| Item Nype Name | New Improved Happy Nappy |
| Item Weight | 0.08 Kilograms |
| Lining Description | Neoprene |
| Manufacturer | Splash About |
| Manufacturer Part Number | HN |
| Material | Neoprene |
| Material Type | Neoprene |
| Material Type Free | Latex Free |
| Model Number | HNPUSXXL |
| Number of Items | 1 |
| Number of items | 1 |
| Package Type Name | New Improved Happy Nappy |
| Pattern | Floral |
| Recommended Uses For Product | Swimming and swimming lessons |
| Reusability | Reusable |
| Size | 2-3 Years |
| Target Audience | Unisex-Babies |
| Unit Count | 1 count |
| Water Resistance Level | Water Resistant |
| Weight Range | 12-20 kg |

## Product Details

- **Age range (description):** Toddler
- **Brand:** Splash About
- **Colour:** Under the Sea
- **Incontinence protector type:** Swim Diaper
- **Material:** Neoprene
- **Material Type Free:** Latex Free
- **Number of items:** 1
- **Reusability:** Reusable
- **Size:** 2-3 Years
- **Unit count:** 1 count

## Images

![Splash About Happy Nappy Duo Reuseable Swim Nappy for Babies and Toddlers (Under The Sea, 2-3 Years) - Image 1](https://m.media-amazon.com/images/I/71PXU+Q1lHL.jpg)
![Splash About Happy Nappy Duo Reuseable Swim Nappy for Babies and Toddlers (Under The Sea, 2-3 Years) - Image 2](https://m.media-amazon.com/images/I/71aZxtGMbXL.jpg)
![Splash About Happy Nappy Duo Reuseable Swim Nappy for Babies and Toddlers (Under The Sea, 2-3 Years) - Image 3](https://m.media-amazon.com/images/I/61P2Ce28anL.jpg)
![Splash About Happy Nappy Duo Reuseable Swim Nappy for Babies and Toddlers (Under The Sea, 2-3 Years) - Image 4](https://m.media-amazon.com/images/I/61EvSEHe2ZL.jpg)
![Splash About Happy Nappy Duo Reuseable Swim Nappy for Babies and Toddlers (Under The Sea, 2-3 Years) - Image 5](https://m.media-amazon.com/images/I/61+At+ZMxpL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect Swim Nappy for Our 7-Month-Old – No Leaks, No Worries!
*by O***7 on 20 June 2025*

We recently started baby swimming classes with our 7-month-old, and the Splash About Happy Nappy has been a total game-changer. It’s comfortable, secure, and does exactly what it promises—no leaks! I was a little nervous about pool accidents, but this nappy gives real peace of mind. It fits snugly around the legs and waist without being too tight, and our baby doesn’t seem bothered by it at all. We pair it with a reusable swim nappy liner for easy cleanup, and it works beautifully. The quality is excellent—it’s stretchy, soft, and easy to get on and off, even with a wriggly baby. Plus, the designs are adorable, which is a bonus! It’s also great knowing it’s approved by most baby swim schools, so we didn’t have to worry about meeting any class requirements. Highly recommend for any parent getting into baby swimming—this nappy takes away the stress and lets you just enjoy the fun!

### ⭐⭐⭐⭐⭐ A Must-Have for Little Swimmers – We've Used These for Years!
*by K***S on 7 April 2025*

My son has been swimming since he was just 12 weeks old — he’s now 3, and we still keep coming back to the Happy Nappy by Splash About. It’s honestly the one swim essential I’ve never had to second-guess. From baby swim classes to toddler splash sessions, this nappy has never let us down. It fits snugly without being uncomfortable, and I love the peace of mind knowing there won’t be any accidents in the pool. The material is soft yet durable, and the waistband and leg cuffs give a secure seal that holds up even through lots of wriggling and movement. We’ve gone through a few sizes over the years, and every one has been great. Easy to rinse out, dries quickly, and the designs are always cute — a small bonus, but it makes it fun for him to pick which one to wear! If you’re thinking of starting swimming with your little one or just need a reliable swim nappy that actually works, this is it. Couldn’t recommend it more highly!

### ⭐⭐⭐⭐⭐ Good fit
*by C***N on 26 August 2026*

fab swim pants. fit is good and pretty pattern. arrived as expected

## Frequently Bought Together

- Splash About Happy Nappy Duo, Under The Sea, 2-3 Years
- Splash About Baby Wrap Wetsuit
- Splash About Happy Nappy Costume with Reusable Swim Nappy

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-29*