Mademark x SpongeBob SquarePants 12th Birthday T-Shirt for Kids
Mademark x SpongeBob SquarePants 12th Birthday T-Shirt for Kids
Find your perfect fit – all sizes are US standard unisex measurements.
📏 T-Shirt Measurements (in inches)
| Size | Chest Width | Body Length | Sleeve Length |
|---|---|---|---|
| XS | 16.5” | 27” | 8” |
| S | 18” | 28” | 8.25” |
| M | 20” | 29” | 8.5” |
| L | 22” | 30” | 9” |
| XL | 24” | 31” | 9.25” |
| 2XL | 26” | 32” | 9.5” |
| 3XL | 28” | 33” | 9.75” |
📝 How to Measure
- Chest Width: Lay your favorite tee flat. Measure 1" below armpit, across chest from seam to seam.
- Body Length: Measure from the highest point of shoulder to bottom hem.
- Sleeve Length: Measure from shoulder seam to end of sleeve.
💡 Sizing Tips
- All shirts are unisex – for a more fitted look, size down; for oversized style, size up.
- If you’re between two sizes, we recommend choosing the larger one for comfort.
- Our tees are pre-shrunk but may shrink up to 5% after first wash.
Couldn't load pickup availability
Product Detail
Product Detail
Our tees are crafted with premium 100% cotton (180–200gsm), designed to be soft, breathable, and durable.
Every print is created using eco-friendly, high-definition inks that stay vibrant wash after wash.
- Unisex fit (true to US size)
- Pre-shrunk for minimal shrinkage
- Ethically produced & shipped worldwide
🎉 **Celebrate the Big 1-2 with SpongeBob!** 🎉
Introducing the **Mademark x SpongeBob SquarePants Original SpongeBob Square Pants 12th Birthday T-Shirt**, the perfect apparel for every young fan eager to embrace their twelfth birthday in style!
👕 **Stylish Design**: Crafted from soft, breathable fabric, this T-shirt features a vibrant, eye-catching graphic of the beloved SpongeBob SquarePants, complete with celebratory elements that perfectly capture the essence of turning 12.
🎈 **Colorful & Fun**: The bright yellow hue reflects SpongeBob’s cheerful personality, making it an ideal choice for birthday parties or casual outings.
🎉 **Perfect Fit**: Available in a range of sizes, this T-shirt is designed to ensure comfort and a great fit for every young fan. Whether dressed up for a party or down for everyday wear, this versatile piece is sure to be a favorite in any wardrobe.
🎂 **Ideal Gift**: Searching for a birthday gift that stands out? Look no further! This T-shirt not only celebrates the special milestone of turning 12 but is also a fantastic addition to any SpongeBob collection.
✨ **Durable Quality**: Made to withstand the joys of childhood adventures, this T-shirt is both durable and easy to care for, ensuring it keeps its playful charm wash after wash.
Make this birthday unforgettable with the **Mademark x SpongeBob SquarePants Original SpongeBob Square Pants 12th Birthday T-Shirt**—the ultimate way to celebrate turning 12! Let the fun and laughter begin with SpongeBob by your side! 🥳
How to wear & care
How to wear & care
Perfect for daily wear, streetwear outfits, parties, or casual hangouts.
Pair it with jeans, shorts, or layer it with a jacket for an effortless look.
To keep your tee looking fresh:
- Machine wash cold, inside-out
- Use mild detergent (no bleach)
- Tumble dry low or hang dry
- Do not iron directly on the print
Materials & Craftsmanship
Materials & Craftsmanship
Fabric: 100% ring-spun cotton (soft-touch, breathable, durable)
Print: DTG eco-friendly inks (non-toxic, safe for skin, long-lasting colors)
Fit: Unisex, US standard sizing (check our [Size Guide])
Origin: Designed in-house by Bacoza, produced with trusted partners to ensure quality
Guarantee: 30-day return policy + responsive customer support
Premium Comfort
Soft cotton tees you’ll want to wear every day.
Meaningful Designs
From pets to art to humor, find a tee that tells your story.
Perfect for Gifting
Thoughtful, unique, and sure to bring a smile.
Trusted Worldwide
Thousands of orders shipped with care.
Questions check here
What material are the tees made from?
What material are the tees made from?
→ Our tees are printed on authentic Gildan blanks (5000 & 6400) — soft, durable cotton with eco-friendly inks that keep colors vibrant.
How do I find my right size?
How do I find my right size?
All shirts follow US unisex sizing. For a tighter fit, size down; for an oversized look, size up. See our [Size Guide] for details.
How long does shipping take?
How long does shipping take?
→ US orders usually arrive in 4–7 business days. International orders take 7–14 business days depending on location.
Do you ship internationally?
Do you ship internationally?
→ Yes, we ship worldwide. A tracking link is always provided so you can follow your order.
What if my shirt doesn’t fit?
What if my shirt doesn’t fit?
→ You can exchange unworn items within 30 days. Just contact our support team and we’ll take care of it.
What payment methods do you accept?
What payment methods do you accept?
→ We accept all major cards, PayPal, Stripe, Apple Pay, and Google Pay.