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  • A kid is wearing a blue sesame street onesie resembling Cookie Monster.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. With the hood down.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. Full body image.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. Full body image with the hood down.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. View from the back.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. Close up.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. Close up sleeve.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. View from the back with the hood down.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. Kid eating cookies.

Cookie Monster
Kids Onesie

Color: Cookie Monster
$49.99
$49.99
Sale Sold out
Size:

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Features licensed Onesies:

  • Easy to wash and iron
  • Soft and comfortable to wear
  • Stretch fabric
  • Officially Licensed
  • Includes: Onesie
  • Onesie: Hood, Side pockets, Kangaroo pocket at front, Brushed fleece inside
  • Fabric: 100% polyester
  • Washing instructions: Do not tumble dry, Machine Washable, Do not bleach

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Can you hear the delightful sound of cookies crunching? That's right, it's time to unleash your inner cookie-loving monster with the irresistible OppoSuits Cookie Monster Onesie! The one piece is made from a soft huggable fabric that is perfect for lounging around and watching Sesame Street marathons, because the roomy pockets are perfect for carrying your favorite snacks or even hiding a secret stash of cookies. Let your inner Cookie Monster roam free, one delicious bite at a time!

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Kid is wearing a red onesie resembling Elmo. He has his right hand in his pocket.
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Man and Woman wearing blue pluche Cookie Monster Adult onesie for adults. Standing next to each other, holding hood with hands.
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Quality and Fit

Look sharp, feel comfy. Our slim-fit suits are made from high-quality polyester twill—built for style and movement. Go classic or go wild—your wardrobe, your rules.

Overall rating: 4.8421054 / 5 from 19 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["size","fit","quality","onesie","fabric","material","delivery","son"].

Review highlights

Reviews

Tolles Kostüm

"Mein Sohn wollte unbedingt als Super Mario zum Karneval gehen. Hatte dieses Kostüm dann gefunden und bestellt. Ich hatte die Hoffnung, dass es kein billiger Stoff ist. Und ich wurde nicht enttäuscht. Super bequem und fühlt sich gut an. Größengetreu"

— Diana P. (5/5)

Brilliant purchase

"7year old was excited to wear this giraffe onesie. It is cosy and warm and a good fit."

— Anne C. (5/5)

Perfect

"My kid loves it, can't get him to take it off!!"

— Jacquelynne G. (5/5)

"Fit as described and solid material/stitching. Has been worn for dress up and trick or treating. Washes well, too! Kids love it!"

— Michelle (5/5)

"Fit as described and solid material/stitching. Has been worn for dress up and trick or treating. Washes well, too! Kids love it!"

— Michelle (5/5)

Perfect !

"Perfect !"

— Annie b. (5/5)

Perfect

"Fast shipping and the outfit fit my son perfectly!"

— Deborah N. (5/5)

5 star top quality

"5 star top quality"

— Gavin F. (5/5)

Snelle levering

"Mooie onesie zoals op foto ."

— Bianca H. (5/5)

I had to guess size,

"I had to guess size, not having shopped with you before, but a 10 - 12 fitted beautifully on my 10 year old. He was delighted with it. It appears well made too. So I am a happy granny."

— Sue R. (5/5)

Q&A