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  • Child wearing a teal Plankton onesie with cartoon face design on a white background
  • Child wearing a teal Plankton onesie with a cartoon face design on a white background
  • Person wearing a teal Plankton onesie with cartoon face design on a white background. Full body image
  • Person wearing a teal Plankton onesie with a cartoon face design on a white background. Full body image
  • Person wearing a teal Plankton onesie on a white background. View from the back, wearing the hood
  • Person wearing a teal Plankton onesie on a white background. View from the back
  • Person wearing a teal Plankton onesie on a white background
  • Teal Plankton onesie with a logo and a visible brand tag on a white background

Plankton
Kids Onesie

Color: Plankton
$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
  • Smooth sweater-like fabric
  • Officially Licensed
  • Includes: Onesie
  • Onesie: Hood, Side pockets, Brushed fleece inside
  • Fabric: 17% Cotton, 83% polyester
  • Washing instructions: Do not tumble dry, Machine Washable, Do not bleach

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Plankton Kids Onesie: Small Villain, Big Adventures

Bring one of Bikini Bottom's most memorable characters to life with the Plankton Kids Onesie. This officially licensed SpongeBob SquarePants onesie lets young fans dress up as the tiny mastermind while staying warm and comfortable.

Whether it's a costume party, movie marathon or an afternoon filled with imaginative play, the soft brushed fleece interior keeps little fans cozy through every adventure.

What's Included

  • Full-length Plankton kids onesie
  • Character hood with Plankton details
  • Front zipper closure
  • Two side pockets
  • Kangaroo front pocket
  • Soft brushed fleece interior

Details

  • Design: Plankton-inspired character design
  • License: Officially licensed SpongeBob SquarePants product
  • Material: 100% polyester with brushed fleece lining
  • Fit: Slim fit
  • Sizes: 2-4Y to 14-16Y
  • Care: Machine washable. Do not tumble dry. Do not bleach.

Perfect For

Halloween, dress-up adventures, sleepovers, movie nights, cozy weekends or as a fun gift for young SpongeBob SquarePants fans.

Also available with other officially licensed SpongeBob SquarePants Kids Onesies, including SpongeBob, Patrick Star and Sandy Cheeks.

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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

Main Character Energy

"Bought this for my best friend’s son’s birthday party. He loved it. It’s very high quality and he immediately recognized the brand “opposuits” because I gave him a full SpongeBob suit for his birthday last year. I hear he wore it to a wedding and it was a hit there, too. This is the good stuff. I like this brand a lot!"

— Lauren B. (5/5)

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)

Q&A