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Mermaid Birthday, First Birthday Bodysuit, Under the Sea Party, Turtle Birthday shirt, Personalized Birthday Romper, Oneder the Sea Bithday

May include: A white short-sleeved baby bodysuit featuring a graphic of a green sea turtle, a starfish, and coral. The text reads One der the Sea 1 and the name Natalie in pink and teal script. A matching white crocheted bonnet and booties are included.

a variety of children's clothing options, including short sleeve bodysuits, long sleeve bodysuits, short sleeve t-shirts, long sleeve t-shirts, girls' fitted t-shirts, fringe dresses, and ruffle sleeve bodysuits.

a baby wearing a short sleeve and long sleeve onesie.

The image is a children's size chart, specifically part 2 of 2, featuring various sizes of children's clothing such as short sleeves, long sleeves, and fringe dresses.

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Mermaid Birthday, First Birthday Bodysuit, Under the Sea Party, Turtle Birthday shirt, Personalized Birthday Romper, Oneder the Sea Bithday

Size and Style

Quantity

$ 24.98

Under the Sea First Birthday. Such a pretty first birthday bodysuit or t-shirt for your little one! It features a delicate watercolor turtle with under the sea accents and the words 'One der the Sea' with your little one's name. Since all of Bella Lexi™ designs are printed directly onto the garments of your choice, the designs won't peel, crack or fade! This under the sea theme birthday design also makes a wonderful gift! Your little one will look adorable for her special day!

★★★★★

“So cute! Perfect for my son's birthday. The quality was amazing and it arrived right on time.”

Etsy Customer · Birthday

★★★★★

“Just darling and PERFECT for my boy's first rodeo! Fast shipping!”

Rachel J. · Birthday

★★★★★

“Just as described. Very fast shipping! Cannot wait for the party! The shirt is adorable!”

Etsy Customer · Birthday

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Description
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Description

Shipping

Handcrafted & Made to Order
Every Bella Lexi item is custom-made just for you. No shelf stock, no shortcuts — just quality pieces printed on demand so we can offer the level of personalization our customers love.

Processing Time: Please allow up to 5 business days for your order to be made before it ships.
Custom Requests: Want to change a color, add a name, or tweak a design? Contact us before ordering and we'll make it happen.
Need it Fast? Message us before purchasing to discuss rush options. Additional fees may apply.

Sizing / Fit

Finding Your Fit
All measurements vary by garment style. For the best fit, we recommend:

View our Size Guide: See measurements for every garment style at bellalexi.com/pages/size-guide
Size Up: When in between sizes, always go up — your little one will grow into it!
Ask Us First: Not sure? Send us a message before ordering. We're happy to help you find the right size.

Our Garments
We use high-quality brands to create your custom pieces.

Onesies® Brand: We use genuine Gerber Onesies® brand bodysuits (Short Sleeve, sizes 0–3M and 3–6M). Onesies® is a registered trademark of Gerber Childrenswear LLC.

All Sales are Final
Every item is custom-made just for you. We cannot accept returns or exchanges due to sizing. Please review the size guide carefully before ordering!

Care / Quality

Professional Quality, Baby Safe
At Bella Lexi Boutique we use direct-to-garment printing technology — no vinyl, no transfers, no cracking or peeling. The design becomes part of the fabric.

Our inks are eco-friendly, non-toxic, and Oeko-Tex Standard 100 certified at Class 1 — the highest safety rating, approved for sensitive newborn skin.

Washing Instructions

Turn Inside Out before washing to protect the print.
Machine Wash Cold with like colors.
No Bleach or harsh detergents.
Tumble Dry Low or hang to air dry for best results.

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