• 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.
(20 reviews)

Cookie Monster
Kids Onesie

Color: Cookie Monster
$49.99
$49.99
Sale Sold out
Size: 2-4Y

Features licensed Onesies:

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

Everyone else hides the cookie jar. Cookie Monster's kids onesie brings the crunch out into the open.

What this is

An officially licensed Sesame Street Cookie Monster kids onesie, with a vibrant blue character hood, in soft 100% polyester with a brushed fleece interior. Sizes 2-4Y to 14-16Y.

Why this onesie works

  • Officially licensed Sesame Street design with Cookie Monster's signature blue fluffy look.
  • Brushed fleece interior for warm, breathable, all-day comfort.
  • Roomy pockets, perfect for stashing snacks (or a secret cookie or two).
  • Machine washable, so it's easy to keep clean after repeat wear.

Good for

  • Halloween
  • Themed birthday parties
  • Dress-up days and sleepovers
  • Cozy days at home

Specifications

Included Onesie
License Officially licensed Sesame Street product
Design Cookie Monster character hood, vibrant blue design
Fabric 100% polyester, brushed fleece inside
Details Hood, front zip closure, kangaroo front pocket, 2 side pockets
Available sizes 2-4Y, 6-8Y, 10-12Y, 14-16Y
Care Machine washable, do not tumble dry, do not bleach

Frequently asked questions

Is this officially licensed?

Yes, an officially licensed Sesame Street product.

Can this onesie be machine washed?

Yes. Do not tumble dry and do not bleach.

Is this onesie available for adults, or as Elmo?

Yes, it's also available as an adult onesie, and as an Elmo kids onesie for the Sesame Street duo.
Also available in
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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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A kid is wearing a blue sesame street onesie resembling Cookie Monster.
Cookie Monster
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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: 4.85 / 5 from 20 reviews.

AI Generated Review Summary

Summary topics

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

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