SpongeBob I Am 9 Years Old Birthday Party T-Shirt for Kids Fun Gift
SpongeBob I Am 9 Years Old Birthday Party T-Shirt for Kids Fun Gift
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.
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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
🎉 **Mademark x SpongeBob SquarePants - SpongeBob "I am 9 Years Old" Birthday Party T-Shirt** 🎈
Make your child's birthday unforgettable with the vibrant Mademark x SpongeBob SquarePants "I am 9 Years Old" Birthday Party T-Shirt! Perfectly designed for fans of the iconic underwater cartoon, this shirt brings cheer and fun to any birthday celebration.
🌟 **Features:**
- **Bright and Playful Design:** Featuring a colorful illustration of SpongeBob SquarePants, this T-shirt captures the joy and excitement of turning nine!
- **Quality Material:** Crafted from soft, breathable fabric, ensuring maximum comfort throughout the day—perfect for parties, playdates, or everyday wear.
- **Perfect Fit:** Available in various sizes, this T-shirt is tailored to fit kids comfortably, allowing them to move freely while celebrating their special day.
- **Durable Print:** The vibrant graphic is printed with high-quality inks that are resistant to fading, ensuring that this favorite shirt can be worn time and time again.
🌈 **Ideal for Any Occasion:**
Whether it’s a birthday bash, family gathering, or just a fun day out, this T-shirt makes an excellent gift for young SpongeBob enthusiasts. Let your child proudly wear their love for SpongeBob as they celebrate a milestone year!
👕 **Care Instructions:**
For best results, machine wash cold and tumble dry low. This will keep the shirt looking fresh and vibrant for countless birthdays to come!
🎈 **Join the Celebration!**
Make your child’s 9th birthday extra special with the Mademark x SpongeBob SquarePants Birthday T-Shirt. Order now and let the fun begin!
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.