Swim Diaper Bundle

Make a splash with a swim diaper that works as hard as you do. Our reusable swim diaper keeps solids in, lets water out, and grows with your child—mess-free and full of fun.

Build bundle

Our reusable swim diaper fits kids 10–45 lbs (4.5–20.5 kg) and is designed to contain solids while letting water pass through. With adjustable waist and rise snaps, it grows with your child for a snug, comfy fit. Lightweight, trim, and available in adorable prints—perfect for pool or beach days.

The number of units per bundle depends on the items selected in the bundle builder.

100% Polyester

  1. Regular wash on warm (max. 140°F/60°C) with recommended amount of detergent.
  2. Use a reputable, commercially available detergent - Tide Original
  3. Do not use laundry soaps such as castile or coconut based soaps and detergents with fabric softener.

Need Help? We’re here for you! If you have any questions or concerns, reach out to us at delight@lilhelper.ca.

 Inflatable Floaties Only

Inflatable Floaties Only

Our Swim Diapers are designed to contain poop of all kinds to ensure that you, your baby, and your unicorn-shaped floaty are the only ones bobbing around in the pool.

Cute Prints 👌, Stains👎

Cute Prints 👌, Stains👎

The soft, inner mesh lining of your swim diaper is charcoal coloured—so no stains! Even though your baby had blueberries for breakfast.

Saves Your Money & Your Sanity

Saves Your Money & Your Sanity

Not only does this cloth swim diaper give you a better fit than disposable options, it can be washed and reused. Saving the environment, your money, and your beach day.

Swim Diapers that Actually Work (and Look Adorable!)

Swim Diapers that Actually Work (and Look Adorable!)

Our reusable swim diaper offers a snug, adjustable fit for kids 10-45 lbs. It’s designed to contain solids while allowing water to flow through, ensuring comfort without the soggy waddles of disposables. With durable snaps, a soft, stretchy waistband, and a variety of adorable prints, it's both practical and stylish. Plus, its adjustable rise and waist settings let it grow with your child, making it perfect for pool days, beach trips, and sunny adventures.

FAQ

Still have questions? Michael Phelps was going to come and talk about how much he endorses the best swim diapers but we figured we’d just get you some quick answers so you can hit the beach sooner.

Full FAQ Page

Newbie Guide

Outer layer is a nylon polyester blend and the inner layer is a dark mesh lining. The ingenious dark lining will hide any unfortunate stains. Like all swim diapers, these are designed to allow liquids to pass through, but contain solids.

No, you do not! Swim diapers are not designed to catch pee, just any poop your little may have in the pool.

The swim diapers can be washed alongside your cloth diapers using your regular wash routine. Don’t cloth diaper? You can wash these with your regular laundry just make sure to avoid the use of hot water (warmer than 140F/60c).

These swim diapers dry fast, we recommend hanging to dry to prolong their life.

In short, no. Quality swim diapers with honest marketing cannot contain pee in the pool. Our swim diapers are designed for a snug fit that ensures that you, your baby, and your unicorn shaped floaty are the only ones bobbing around in the pool. While the diaper is stellar at keeping poop contained, water and pee are able to pass through. This is so that tiny tush isn’t full of water - a waterproof material would still allow water through when submerged for swimming, and then contain water inside of it when your little one get’s out of the pool. (there’s nothing worse than a saggy water butt and a cranky/uncomfortable baby at the pool, amiright?)

Customer Reviews

Based on 191 reviews
96%
(184)
2%
(4)
1%
(2)
0%
(0)
1%
(1)
L
Lindy
The best

These are one of my favorite baby purchases. I plan to give as gifts for all the new parents in my life.

Hey Lindy!! Thank you deeply for your 5 star review of your Swim Diaper! We are delighted to read that this has been one of your favorite baby purchases! It will carry on right through toddlerhood too- we love how our one swimsuit can last for many seasons (and even more if you choose to pass it on to another kiddo after you are finished with it!) Thank you in advance for gifting our Swim Diapers to the other new parents in your life- we appreciate you spreading the word about Lil Helper! We hope that you have a swimtastic rest of your summer! - Amanda @ Lil Helper

A
Anika

Such a cute swin diaper! This is going to fit our little one for a long time. Since there's no absorbent layers or inserts, we need to button thwm tighter than the diapers, but they still fit wonderfully.

Hey there, Anika! Thank you kindly for taking the time to leave a 5 star review of your Swim Diaper. You chose such a cute print- Koi Orange is just beautiful! We hope that it brings many smiles to your little one's swim time over the next few seasons (it will fit your kiddo up to 45 lbs!) It sounds like you have found a good fit with buttoning your Swim Diaper tighter, but if you have any questions along the way about the fit (or anything else that comes to mind about our products), our Delight team would be thrilled to help. Feel free to reach out any time! Happy swimming! - Amanda @ Lil Helper

R
Rianne
Great, but fit small

I bought 2 swim diaper when my baby was 4 months old, and loved them for the first year.
They are still in great shape, lots of life left, but my 26 pound 18 months old has outgrown the leg holes. I can just barely do up the loosest snap and it leaves angry red marks on his legs.
He's not an unusually chubby baby at this point, just a solid and slightly larger than average toddler.

So overall I'd still recommend these for babies and skinny toddlers but I would not expect to use them up to 40 lbs

Hey Rianne!! Many thanks for taking the time to leave a review of your Swim Diaper! We are tickled pink reading that they worked well for your little one's first summer and that they still have lots of life left. Thank you for giving feedback on the sizing of our Swim Diaper. We will pass this along to our production team for future versions of our Swim Diaper. If you ever have any questions about fit (or anything Lil Helper related!), our Delight Team can be reached at delight@lilhelper.ca. We hope that you have a fantastic day! - Amanda @ Lil Helper

B
Briana fletcher
I like the swim diapers

These are way better then buying ones you throw out after using. And one size fits all.

Hi there, Briana! Thank you so very much for leaving a 5 star review for your Swim Diaper - Adjustable! We think it's 'splash-tastic' that you made the swap from disposable swim diapers and we are thrilled to read that you are loving how they are sized to fit your kiddo for so long! We appreciate you being a loyal customer and wish you many great pool days ahead! - Amanda @ Lil Helper

R
Rebecca Wright
Swim diaper

My daughter loves this swim diaper. Her son who is only five months old already loves the water. The adjustable swim diaper will be used for many more months..

Hey Rebecca! Thank you so very much for taking the time to review your Reusable Swim Diaper! We think it is 'swim-ply' wonderful that your daughter and her son are loving the swim diaper. The adjustable sizing is great for even years if necessary! It can fit kiddos from 10-45 lbs! We hope that you have a splashy day! - Amanda @ Lil Helper

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