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The Päpook® Viscose from Bamboo Advantage

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    Breathable & Lightweight
  • peach
    Soft as a Baby's Butt
  • feather
    Delicate On Senstive Skin
  • half snowflake half sun
  • diamond with arrows pointing out of it
    Stretches To Fit Longer
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    Award Winning

Watercolor Butterfly was designed to remind little ones to dream big and fly high! Featuring a colorful collection of beautiful butterflies, this print is bright, whimsical, and energetic - just like your peanut. With Watercolor Butterfly, they're sure to make a splash!

Adorable meets adjustable with our convertible one piece in all of your fave Posh prints! Designed with our ultra-soft Päpook® viscose from bamboo, it's breathable, lightweight and tagless for sensitive skin. With an easy 2-way zipper, convertible mittens for newborns and 0-3M peanuts and convertible footies with designer grips for all peanuts, there's no question why this flexible one piece is a best seller!


  • 2-way branded zipper
  • Convertible mittens for Newborn to 0-3M
  • Convertible footies with designer grips
  • Tagless for sensitive skin
  • Not treated with flame retardants
  • Signature Posh Peanut® Design
  • Machine washable / Tumble dry low
  • 95% Viscose from Bamboo, 5% Spandex
  • Accessories sold separately

Most of our apparel is made from our signature Viscose from Bamboo, and we suggest washing them on cold/gentle cycle inside out. Lay flat to dry for optimal longevity or dry low and cool iron if needed. Follow all care tag instructions.

Viscose is know to be buttery soft and the softer the fabric, the more pilling is common — however, laying flat to dry really keeps the fabric new. Most moms prefer to line dry for optimal texture, lasting color, and to last through the life span of the item.

Due to the delicate nature of our lush fabrics, please do NOT wash with other items with zippers, buttons, or hardware. Snagging may occur. Wash separate with other babies items.

Our signature Päpook® viscose from bamboo is lightweight, breathable, and extra soft for your baby's delicate skin. Its natural weave makes it stretchy enough for a nice snug fit, yet comfortable for all-day wear.

No Harsh Chemicals
We comply with snug fitting standards to eliminate the use of flame retardant chemicals during our production process – irritants like chlorine-containing bleaches, zinc, and sulfate. So you can rest easy knowing our fabric is free of irritants and toxic treatments.

Benefits of Viscose from Bamboo
This fabric has it all. Lightweight and breathable with fibers to wick away moisture while micro-gaps aid in ventilation and heat regulation. This means you stay cooler during the summer and a few degrees warmer during the winter. This makes it great specifically for people with sensitive skin and/or allergies. It also has natural UV protection to protect your peanuts from sun rays in comfort.


At Posh Peanut, we do our bit towards fostering a more positive future, creating thoughtfully produced garments. Bamboo is one of the fastest-growing plants on earth. It requires very little water and grows 3-4 feet a day without any fertilizers. We are proud to say our products are made using the highest standards in textile.

Bamboo versus Cotton

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Why Päpook® Viscose from Bamboo?

bamboo Päpook® Viscose from Bamboo cotton Cotton
Buttery Soft circle check close icon
Stretches With Your Baby circle check close icon
Wicks Well circle check check 2 icon
Flame Retardant Free circle check close icon
No Shrinkage circle check close icon
Regulates Body Heat Naturally circle check check 2 icon

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Customer Reviews

Customer Reviews

4.9 Based on 446 Reviews
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Jessie N.
United States United States
I recommend this product

Butterfly beauty

We absolutely loved this bright and vibrant AND soft onesie for our girl! It is super cute, washes well and stretches.

Posh Peanut Watercolor Butterfly Convertible One Piece Review
  • Fit Runs SmallTrue to SizeRuns Big
  • Quality PoorGoodExcellent
  • How tall is your child? 22”
  • How old is your child? 3 month
  • What size did you purchase? 3-6 month
  • How much does your child weigh? 15lb
Courtney SVG verified by SHOP
United States United States

Very disappointed in the sleepers 3 to 6 month old sleepers are not very big at all on my almost 3 month old kind of tight around the arms don’t like that I feel like little sleepy and dream dream big little co is better and bang for your little disappointed because I bought so much from posh peanut when my baby is only 12 pounds and it says 3 to 6 months is up to 17 and I’m not even gonna be comfortable with her sleeping in the 3 to 6 month old clothes definitely didn’t expect that but like six sleepers for nothing already took the tags off can’t even return

Rachel SVG verified by SHOP
United States United States

cons: runs small, sized up and glad i did . my daughter normal size in bamboo is a 0-3 with plenty rtg and the 3-6i bought fits closer to a newborn size. also wrist are extremely small and tight compared to other bamboo brands i have tried . also shipping took about 2 weeks Pros: it is a beautiful print ( had to buy bc my daughters name is katherine ) and a very soft zippy , comparably better than other bamboo sellers

Mary K.
United States United States
I recommend this product

Absolutely love this

The details are fun to make out. Kudos to the designer. The fabric is soft.

  • Fit Runs SmallTrue to SizeRuns Big
  • Quality PoorGoodExcellent
  • How old is your child? 18 months
  • What size did you purchase? 24 months
  • How much does your child weigh? 24 lbs
Hyeji SVG verified by SHOP
United States United States

The Cutest. Fits so well and so soft. Love the double zipper. Worth the money!