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Check my other ads to view other patterns (I have boy, girl, and neutral extenders)
Buy more than 1 set and get FREE US shipping on all additional sets! Great for baby gifts.
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Set of 3 NEW onesie/one piece extenders,
These are a must-have! I have personally saved so much money using these. You can typically get another 2- 3 months of wear out of your favorite onesies by attaching these. These are also perfect for making up for that little bit of extra bulk from cloth diapers!

Over 600 Sold!
I have 100% positive feedback, here's what Customers are saying...

~Work perfectly on every onesie I own. perfect for cloth diapering and for saving those onesies that I wasn't ready to put away! thanks again!
~These are adorable and fit every onesie I have. They have given renewed life to my fave outfits!
~absolutely Perfect! a must have...thank you !
~Great product! Extending the life our our onesies by saving us from jumping up a size due to cloth diapers.
~we're very happy that we get to use some of our favorite onesies a little longer on our lanky little boy! thank you so much! very happy with the purchase, and thank you for mailing so quickly!

~~~The top 5 things about my Onesie Extenders~~~

1.Nickel free snaps! (nickel can cause rash or skin irritation and is a known carcinogen)

2. Three different snap sizes (small, medium and large). The size refers to the snaps. The medium sized extender will probably the one you will use most. Between the 3 sizes there should always be an extender that fits!

3. Cute patterns! The cute patterns aren’t just for show though, they make it easy to grab the right extender because each size will have a different pattern.

4. Quality. I use only 100% cotton. I pre-wash in free and clear and dry (pre-shrink) all of my fabric. This does take extra time and effort, but it’s worth it because the extenders don’t end up shrinking and getting funny shaped. I also don’t use cheap snaps, I use very high quality snaps. This ensures that they fit the standard sizes used in your onesies, and do not break or come off in the wash. You will be using these extenders a lot, so I make them to last!!

5. Buy 2 sets of extenders and save!
YES, I love to COMBINE SHIPPING!! If you buy more that one set, each additional set ships for just $1.30 extra (You must pay for all the items at the same time, so that I can ship them together for you). These also make great baby shower gifts.

All items come from a clean, smoke free, and pet free environment.

Thanks for looking!! Feel free to convo me with any questions ☺

ONESIE EXTENDERS. Add a size to your bodysuits. Also great for cloth diaper wearers.


  • Handmade item
  • Materials: cotton flannel fabric, nickel free snaps, polyester thread
  • Ships from United States to select countries.
  • Feedback: 652 reviews
  • Favorited by: 2 people