Seems like you're in . Would you like to go our US store?

One Size™ Diaper

$12.95 $14.95

Made in Canada with love since 1991!

The One Size Fitted Diaper was our very FIRST cloth diaper we set to manufacture - creating the first and most popular diaper that adjusts to grow with your child until potty training age!

The generous design allows plenty of room for growth while using a gentle elastics around the waist and legs to ensure a comfortable leak-free fit.

Time tested, and with only one size needed the One Size Fitted offers you the very best value.


  • One Size - adjusts from 8 to 35 lbs
  • Natural fabric options
  • 385 ml (13 oz) absorbency
  • Gentle elastics around the waist + legs
  • Lifetime warranty on the Snaps + Elastic
  • 1 Year manufacturing warranty

Combine the One Size Fitted Diaper with our Air Flow Covers for a complete leak-free diapering system all day long! For nights, Add one Snap-in-Absorbent Liner to boost your absorbency for 12+ hours!

How to adjust the One Size Diaper: Folding Instructions.

Note: Fitted Diapers require the use of a waterproof diaper cover. Mother ease recommends using the Air Flow (snap) or Rikki Wrap (Velcro) Covers to be worn over top, creating a leak-free diapering system.

**Organic Cotton diapers should be washed 1-2 times before using with HOT water and a good quality detergent (see detergent disclaimer).

Customer Reviews

Based on 24 reviews Write a review

Each of our fabrics are custom knit specifically for Mother ease to ensure that each fabric absorbs quickly and an equal amount!

Each One Size fitted Diaper will absorb 385 ml (13 oz).

One Size Fitted Diaper - Bamboo Terry
Bamboo Terry
One Size Fitted Diaper - Organic Cotton
Organic Cotton
One Size Fitted Diaper - Aqua

One Size Fitted Diaper - Green

One Size Fitted Diaper - Blue
One Size Fitted Diaper - Purple
One Size Fitted Diaper - Yellow
One Size Fitted Diaper - Orange
One Size Fitted Diaper - White Inside
Inner Fabric for
Colored Diapers

 *Note: All colored diapers have a White Cotton Inner.

Hello You!

Join our mailing list



Sold Out