Charlie Banana Reusable Swim Diaper M (16-28 lbs) - Snug Waterproof

In this review the Charlie Banana Reusable Swim Diaper in size M is assessed as a practical choice for parents who want a washable, comfortable swim solution for babies 16-28 lbs. The bottom line: it excels at staying lightweight in the water while providing a snug fit to prevent leaks, thanks to its wide back elastic and leg elastics, and the easy side snaps make poolside changes straightforward. This review looks at materials, fit, ease of use and whether it really performs during swim classes or casual water play.

Key Features

• Snug fit: Wide back elastic and leg elastics create a secure barrier that helps contain solids and reduce leaks while the child is in the water.
• Soft inner lining: The super-soft plant-derived TENCEL Lyocell lining keeps sensitive skin comfortable against a soft, breathable surface.
• Easy on and off: Simple opening snaps on both sides let caregivers change the diaper quickly, even when wet or messy.
• Waterproof outer layer: A waterproof fabric that does not swell while swimming provides consistent comfort and mobility in the water.
• Reusable and washable: High-quality construction means the diaper is designed to be washed and reused, reducing disposable waste.
• Tested safety: Certified under STANDARD 100 by OEKO-TEX for low levels of harmful substances, which is reassuring for delicate baby skin.

Who It's For

The Charlie Banana swim diaper in size M is best for parents looking for a reusable swim diaper for toddlers roughly 16-28 lbs who attend swim lessons or go to pools where a washable solution is preferred. It suits caregivers who value a soft inner lining and a secure, flexible fit that does not balloon or weigh the child down in the water.

It is less suitable for parents who need heavy absorbency for long periods out of water or those seeking a one-time disposable option; this product is made for containment in the pool and repeated washing rather than extended absorption like regular diapers.

Pros & Cons

Pros

• Easy-to-use side snaps make poolside changes fast and convenient.
• Soft TENCEL Lyocell lining is gentle on delicate skin and comfortable for prolonged wear.
• Waterproof, non-swelling outer fabric keeps the diaper lightweight and allows free movement in water.
• Reusable design reduces waste and includes a commitment to environmental causes from the brand.

Cons

• Not designed for heavy absorbency outside of water; it contains solids in the pool but is not a substitute for a daytime diaper.
• Sizing must be matched to the weight range for the best leak prevention, so an ill-fitting size can compromise performance.

Specifications

Brand	CHARLIE BANANA
Size	M (16-28 lbs)
Inner lining	Plant-derived TENCEL Lyocell fibers
Outer fabric	Waterproof, quick-drying material that does not swell when wet
Closure	Easy opening snaps on both sides
Certification	STANDARD 100 by OEKO-TEX
Care	Reusable and washable

Our Verdict

The Charlie Banana Reusable Swim Diaper M is a solid buy for families who want a comfortable, reusable option for swim lessons and pool outings; its snug waterproof fit, soft lining, and easy side snaps combine to make pool changes easier and keep babies comfortable without swelling in the water. For those prioritizing sustainability and swim-focused containment rather than all-day absorbency, it offers good value and reliable performance.

Frequently Asked Questions

Is this swim diaper good for swim classes?
Yes, customers report it works well for swim class thanks to the secure fit and non-swelling waterproof fabric that lets babies move freely.

How do I clean it?
It is washable and designed for repeated use; follow the brand care instructions for machine or gentle washing to keep prints and fabric lasting.

Will it prevent leaks?
It helps prevent leaks in the pool via wide back elastic and leg elastics, but proper sizing within the 16-28 lbs range is important for best containment.