Mademark SpongeBob SquarePants Birthday Boy T-Shirt with Patrick Design
Mademark SpongeBob SquarePants Birthday Boy T-Shirt with Patrick Design
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
**Mademark x SpongeBob SquarePants - SpongeBob Patrick Brother of the Birthday Girl Boys Gift T-Shirt**
🎉 **Celebrate with Style!** 🎉
Make every birthday unforgettable with the Mademark x SpongeBob SquarePants T-Shirt, designed especially for the ultimate fans of Bikini Bottom! This charming tee is perfect for boys who want to join in the fun and festivities.
👕 **Fun Design**
Featuring the beloved characters SpongeBob and Patrick, this playful shirt proudly declares "Brother of the Birthday Girl," making it a delightful addition to any birthday celebration. The vibrant colors and dynamic artwork bring the joyful spirit of SpongeBob and friends to life!
🖌️ **Quality You Can Trust**
Crafted from soft, breathable fabric, this T-shirt ensures all-day comfort while your little one enjoys the party. The durable print means that the vibrant design will last through many more celebrations to come.
🎂 **Perfect Gift**
Whether it's for a birthday, holiday, or special occasion, this shirt makes a fantastic gift for young fans of the series. It's a surefire way to make the birthday boy feel special and ready for a day filled with fun!
🌈 **Style and Fit**
Available in a range of sizes to accommodate boys of various ages, this T-shirt is suitable for everyday wear or as a fun party outfit. Pair it with shorts or jeans for a casual, stylish look.
🧼 **Easy Care**
Machine washable and designed to maintain its shape and color, this T-shirt is easy to care for, allowing for more time to celebrate and less time worrying about laundry.
💖 **Get Ready for Fun!**
Dress your little one's Brooklyn birthday charm in this Mademark x SpongeBob SquarePants T-shirt and make every party a splash! Don’t miss out on this perfect blend of fun and fashion. Snag one now and let the celebrations 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.