Turtle Onesie for Kids, Hooded Flannel Animal Costume for Halloween and Dress-Up, 3–8 Years (100–140 cm) — Solis Critter
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About this item
- Thick 100% polyester flannel, hooded, with long sleeves and full-length legs.
- Five sizes by height: 100, 110, 120, 130 and 140 cm — about 3 to 8 years.
- For dress-up, parties, school events and lounging at home.
- One of 43 Critter Kids designs — see the Baby collection for the rest.
- The photo shows the adult version of this design; this listing is the kids' cut, sizes 100–140 cm.
Products related to this item
Product description
The Turtle Critter Onesie in big-kid sizes: a thick flannel jumpsuit with the full animal hood, for children 100 to 140 cm tall.

The Turtle design
Turtles have existed for more than 200 million years, and a sea turtle can hold its breath for hours while resting. A favourite for ocean-themed parties and for reading the tortoise-and-hare story in costume.

Dress-up that gets worn again
A costume that is also comfortable is the one that comes out of the drawer after the party. Thick flannel and a roomy cut make this one a weekend-morning favourite as much as a costume.

Sized by height
Pick the size that matches your child's height: 100 cm through 140 cm. If they are between two, go up — it is a loose, relaxed fit by design.
Product information
| Design | Turtle |
|---|---|
| Fabric | 100% polyester flannel, thick |
| Hood | Attached animal hood |
| Sizes | 100, 110, 120, 130, 140 cm (about 3–8 years) |
Safety information
Not sleepwear. Keep the hood clear of a baby's face and supervise babies while they wear it. Check zips, buttons and seams before every wear.
Customer reviews
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Tortoise and hare, in costume
We read the tortoise and the hare with her in the turtle. She insists turtles always win, and she is not wrong.
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Under-the-sea party
Ocean party for her fifth and she was the turtle. She moved slowly on purpose for the whole afternoon.
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Officially ancient
He learned turtles have been around for 200 million years. Now he says he is 200 million and six.
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Sea turtle tank trip
Wore it to the aquarium and stood at the sea turtle tank until closing. She wants to hold her breath for hours too.
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Holds up in the wash
Weekly cold wash inside out. No shrinking, still soft.
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Turtle and shark siblings
Turtle for her, blue shark for her brother. Our ocean family photo is on the fridge.
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Cold Halloween, happy turtle
Damp and cold Halloween night, and the turtle kept him warm. He hid in the hood like a shell at every door.
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Shell-hiding game
She pulls the hood right up and says she has gone into her shell. Comes out for snacks only.
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Six year old in the 120
118 cm, ordered the 120. Fits with a little room to grow.
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For a turtle collector
My niece has a shelf of toy turtles. She put this on straight away and lined them all up beside her.
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Evening at a sleepover
Wore it for the evening at a friend's sleepover, changed into pyjamas for bed. Came home asking for a sea turtle book.
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Wants it as pyjamas
She asks to sleep in it every night. It is not sleepwear, so it is a firm no.
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No itch at all
Very soft flannel. My son with sensitive skin wears it for hours.
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Frosty mornings
Over pyjamas at breakfast on frosty mornings, then off for school. Warm and easy.
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Slowest kid on dress-up day
Dress-up day at school and he was the turtle. Took him ten minutes to cross the playground, deliberately.
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Beach-themed birthday
Beach party in the garden in October. The turtle was the only costume warm enough for the weather.
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Reading nook regular
Every bedtime story starts with her in the turtle on the beanbag, then it comes off for bed.
Verified purchase
Frequently asked questions
Which size should I order?
Match the size to your child's height in centimetres — a 115 cm child takes the 120. Between sizes, go up.
How do I wash it?
Machine wash cold, inside out, and let it dry flat or tumble on low.
Can my child sleep in it?
No. It is a costume and loungewear, not sleepwear. It is a loose, hooded plush garment; children should sleep in close-fitting sleepwear with nothing near the face. Take it off before naps and bedtime, and keep an eye on a baby in it so they do not overheat.
How long does delivery take?
Orders are confirmed and processed within 4–5 business days, then typically arrive within 6–10 business days (US, UK, Germany, the rest of Europe and other countries) or 8–15 business days (Canada and Mexico), tracked to your door. Shipping is free.
Is shipping free?
Yes, on every order of $29 or more. Below that, standard shipping is a flat $9.99, shown at checkout before you pay.
What is your return policy?
You have 30 days from delivery to return an unopened, unused item in its original, undamaged packaging — no reason needed. Email us your order number first and we reply with the return address; return postage is paid by you and shipping charges are not refunded. If an item arrives damaged, faulty or wrong, contact us and we take it back at our cost. The refund goes out within 3 business days of the return reaching us.
Is there a warranty?
Every product carries a full 1-year warranty on top of the 30-day money-back promise.
Which payment methods do you accept?
All major cards, PayPal, Apple Pay and Google Pay — processed through Shopify's encrypted, PCI-compliant checkout.
How do I track my order?
You'll get a tracking link by email as soon as your order ships, and you can check progress any time on our Track Order page.