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Want to buy a Triceratops Dinosaur onesie? Look no further, you’ve come to the right place! This impressive dinosaur was living about 68 million years ago in Mya. It was a friendly dinosaur who only may have eaten bushes, small trees and grasses. Do you feel like you’ll love this diet as well? Order your Triceratops Dinosaur onesie here!

The loose fit is comfortable and won't restrict your movements, giving you the freedom to sleep, dance or perform as you please. This cool animal onesie is designed for people at all ages. The adorable and eye-catching animal onesie designs all feature a hood with eyes, teeth, and nose for full effect. Matching tails and chest designs help complete your ultimate cosplay look!

Material: Polyester, Microfiber. 

This onesie comes with Zippers in the back and front.  

Please refer to our sizing scale below.

PLEASE NOTE: that a lot of teenagers should use the Adult sizing scale (click the link above to see Adult Sizing) and not the Kid's Onesie Sizing Scale. Generally from ages 12 and up. 

Sizing should be worked out primarily by height. Weight can be a factor. As a general guide, size 100 would be suitable for a 2-3 year old, size 110 would be suitable for a 4-5 year old and size 120 would be suitable for a 5-6 year old. The correct way to calculate the size is by height (as mentioned above), as follows. If you need help choosing the correct size, email us at  or call  1300 MY ONESIE ():

  • Size 100: Suitable for height 90-104cm (35"-41").
  • Size 110: Suitable for height 105-114cm (41"-45").
  • Size 120: Suitable for height 115-124cm (45"-49").
  • Size 130: Suitable for height 125-134cm (49"-53").
  • Size 140: Suitable for height 135-144cm (53"-57").

    If you are unsure about the size, we recommend you should go for one size up as it will be more comfortable and long-lasting.

    Package Includes: 1* costume and Size reference Product details. (The shoes are not included)

    Orange Triceratops Dinosaur Kids Onesie

    • 120
    • 130
    • 140

    $ 39.00

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