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5.00 out of 5
SKU: LB002P Category: Tags: , ,


Key Features:
  • Thicker, higher quality fabric than other brands that is shaped to fit the human body. No loose-fitting sacks!
  • Vibrantly colored prints similar to those found on real baby onesies have been enlarged to provide the same level of cuteness to adults.
  • 100% Organic Cotton is soft on skin and stretches to fit many body types.
  • Thickness of fabric is suited for supporting the weight and bulk of a diaper, including cloth diapers.
  • Onesie has a row of 3 crotch snaps for easy dressing and a secure fit.

LittleForBig feature adorable prints and bright colors just like real baby onesies! Our prints and patterns are all upsized for adults so that you can look as little as you feel.LittleForBig adult baby onesies are made of 100% soft organic cotton that stretches to fit many body types. Unlike other brands, LittleForBig products are made to hug the body for a snug and secure fit. A row of 3 press snaps secure the onesie at the crotch, providing plenty of support whether you wear a diaper under your LittleForBig onesie or not.

Sizes are close to standard T shirt sizes.Available sizes small (S) through 3Extra large (XXXL).

PLEASE TAKE THE TIME TO MEASURE FOR YOUR SIZE. The most critical measurement is the “Length” which is best measured with a cloth measuring tape while wearing a t-shirt and diapers. Start at the collar in back running down the back and through the legs over the diaper, up to the collar in front. Divide this measurement by two and compare to the listed length.

All items are shipped in discreet packaging.




  1. Rated 5 out of 5

    I waited for them to have my size (US size 18) and they finally got an XL in this design. I ordered this, and another one in size XXL, just to see the difference in fit. The XXL fits better, however, at first I wasn’t crazy about the plastic snaps, however they really care about customer service and reached to talk aboit it. I appreciate that in a company. So now I realize they are MADE for ABDLs. The snaps hold tight when wearing bulky diapers underneath, and that is awesome.

  2. Rated 5 out of 5

    I’m in love with is adult onesie! It fits my body perfectly and feels comfortable! I’m 4″11 and 100 pounds, so I ordered a small. The snaps are also very strong and hold up well. I’m very happy with my purchase!

  3. Rated 5 out of 5

    The onesie is perfect, the size/fit, looks like the photo

  4. Rated 5 out of 5

    My onesie from littleforbig just got in today and it’s so cute!

  5. Rated 5 out of 5

    I was worried when I saw the sizing chart. I’ve never worn a size larger than a medium in my life, but according to that thing, I was an XL.

    Nonetheless, I ordered the onesie, hoping it would neither for so loosely that my muscles wouldn’t show, or so tightly I couldn’t wear it. It came in the mail, and I wore it to bed with an ultra-thick diaper (Confidry 24 7’s). The fabric is stretchy and easily;y accommodated the diaper and my body. By morning, I had thoroughly soaked the diaper, and even though it was about as big as it could get, the onesie still fit perfectly. Further, it shows off my pecs and my abs as well as the huge diaper underneath.

    I plan on wearing this onesie to the bars this weekend with a diaper underneath. Who knows, maybe I’ll find a hot Daddy to bring me home?

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