Her fitted diapers are made with a snap in insert. It also has the fold over to make the diaper fit for an extended period of time. I think the fit was great on my 8 month old that weighs 15 lbs. In the description it states that this diaper will fit approximately 14-35 pounds. I believe it would fit for that long, and maybe even longer! I tried it on my almost 3 year old just to find out (he weighs 40 lbs) and it fit him fine! I will admit though that my 3 year old is extremely skinny and tall. Just to show that to you even more...he fits in size 12 month shorts around the belly but needs the length of a 5T lol. Soooo, adjustable pants is my friend!
Here is a little bit about the diaper taken from the fabulous maker herself!:
-fits 14 lbs up to aprox. 35 lbs. fold over rise for smaller babies (not all babies are the same, so it depends on your child's build on how it will fit)And now, you have a chance to win a $15 credit for her shop!!!!!
-100% cotton knit shell with middle layer of fleece for absorbency (hybrid)
-Cotton/poly liner that is VERY soft against baby's skin 80% cotton 20% polyester
-2 layer soaker that snaps into the cover and is attached at the top for quick drying
-each soaker layer has 1 layer knit and 2 layers of organic bamboo fleece
-all together this diaper has 9 layers of absorbency
-hidden elastic on sides and back to hold in messes
-made with gutterman thread to last through washings
-high quality plastic KAM snaps
-serged around the soakers and the cover with white colored thread
-will need 4 or 5 washes to reach maximum absorbency
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