1x One Size Fitted Diaper
1x Air Flow Cover
Everything you need to test our system for a few changes.
One Size™ Diaper Trial Package
$34.49
Your easiest way to try leak-free cloth diapering - risk-free and fully credited toward your full-time package.
***LIMIT OF 1X ONE SIZE FITTED TRIAL PACKAGE PER FAMILY***
The One Size Fitted Diaper - The Original Grow-With-Baby Design!
Our very first creation - and still one of the most loved cloth diapers in the world!
The One Size Fitted Diaper adjusts to grow with your baby from infancy to potty training, offering years of reliable, leak-free use.
Comfortable, Leak-Free Fit
- Gentle elastics around waist and legs prevent leaks
- Generous design allows room for growth and movement
- Soft, flexible fit keeps baby comfortable all day
*Time-tested and trusted by parents for decades - one size is all you'll ever need.
Pair with the Air Flow™ Cover for a Complete System
The Air Flow™ Cover is a lightweight, breathable, waterproof cover that fits perfectly over our One Size and Sandy's™ fitted diapers.
- Adjustable snaps at the waist and legs for a secure, tamper-proof fit
- Air gaps between snaps promote airflow and help regulate temperature
- Available in 5 sizes for a tailored, flexible fit
Day & Night Leak Protection
- Combine the One Size Fitted Diaper with our Air Flow™ Cover for leak-free days
- Add one Snap-in Absorbent Liner for 12+ hours of leak-free sleep
Why Parents Love It
- Grows with baby - from birth to potty training
- Gentle, breathable design for all-day comfort
- Excellent long-term value - only one size needed
- Trusted, time-tested performance
| Newborn + Small sizes | Medium + sizes |
 [snaps towards waist front design]
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[snaps towards waist back design]
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One Size Fitted Diaper adjusts from 8 to 35 lbs.
Air Flow covers are sized for a leak-free fit:
Small: 8-12 lbs
Medium: 10-20 lbs
Large: 20-35 lbs
Learn how to adjust the One Size Fitted Diaper here: Folding Instructions
Love your Trial Package?
The full price will be credited toward your Full-Time Package when you're ready to switch.
