Search  for anything...

Splash About Happy Nappy Reusable Swim Diaper, Under The Sea, 3-6 Months

  • Based on 192 reviews
Condition: New
Checking for product changes

Buy Now, Pay Later


As low as $6 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by SplashAbout

Arrives Jan 27 – Jan 29
Order within 4 hours and 17 minutes
Available payment plans shown during checkout

Color: Under the Sea


Size: 3-6 Month


Features

  • Neoprene
  • Imported
  • The only authentic Happy Nappy. If it doesn't say SplashAbout, It's not a Happy Nappy swim diaper
  • Insisted upon by swim schools - Proven to be the most effective swim nappy for preventing solid leaks into the pool
  • Multi award-winning - Consistently gaining top accolades in mother & baby awards across the world
  • Reusable swim diaper made from 1 mm thick neoprene, with a unique patented 3D design, for ultimate protection against fecal leaks
  • Can be worn on its own with no requirement for a disposable diaper underneath.

Brand: Splash About


Number of Items: 1


Color: Under the Sea


Incontinence Protector Type: Infant Diaper


Age Range (Description): Infant


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 10.63 x 11.02 x 0.39 inches; 2.12 ounces


Item model number ‏ : ‎ HNPUSM


Department ‏ : ‎ baby-boys


Date First Available ‏ : ‎ December 11, 2017


Manufacturer ‏ : ‎ Splash About


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jan 27 – Jan 29

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • These work!
Color: Under the Sea Size: 3-6 Month
I like these better than the other types we've tried. They are hard to get on, but that is the trade-off for having swim dipes that actually keep the poop in
Reviewed in the United States on November 10, 2024 by Kirsten Anderson

  • As Good As the First
Color: Under the Sea Size: 3-6 Month
As our little guy has grown, we unfortunately had to retire the smaller size. Lucky for us, we were able to move right into the next size. We move how it fits almost like a wetsuit. It creates a pretty tight seal around the belly and the thighs to help prevent an accident from hitting the water. Our swim school requires us to use two swim diapers, so we put a more “speedo” type diaper over this one, but I’m pretty confident that this is the only one needed. ... show more
Reviewed in the United States on January 17, 2020 by MinterLuck

Can't find a product?

Find it on Amazon first, then paste the link below.