Perfect Fit. Every Time.

Onesie Bummsie Onesie Extenders

Welcome to our Onesie Bummsie online store! 

We make and sell the handiest product you will use as a parent…
the Onesie Bummsie onesie extenders! The little extender that goes a long way!

 

Your baby’s onesies and bodysuits, will fit better and last longer when you use a Onesie Bummsie.
Now you can keep your baby in your favourite one for longer!

The Onesie Bummsie onesie extenders are designed to make your baby’s clothes fit longer when they get too short to do up. They are ideal for making baby onesies fit over cloth nappies.

We offer two different length sizes, short or medium, to ensure you get the best fit possible.

Onesie Bummsie Tip: To ensure our extenders will fit the onesie brands you have, we recommend purchasing a short extender first.

Follow our three steps on how to use Onesie Bummsie onesie extenders:

  1. Select a Onesie that is too short.
  2. Take a Onesie Bummsie onesie extender in short or medium.
  3. Snap in the onesie extender to increase the length!

Using a Onesie Bummsie means there is no need to spend money on baby clothes that are too big, when you can easily snap in a onesie extender getting the perfect fit, every time!

Learn more about our onesie extenders and how they will benefit you here.

They also make a great baby shower or newborn gift!

Onesie Bummsie is New Zealand designed and made.

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If you have any questions please send me a message.