SpongeBob Grandpa of the Birthday Boy Theme Party T-Shirt for Kids
SpongeBob Grandpa of the Birthday Boy Theme Party 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.
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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 Grandpa of the Birthday Boy Theme Party T-Shirt**
🎉 **Celebrate in Style!** 🎉
Step into the fun with the Mademark x SpongeBob SquarePants - SpongeBob Grandpa of the Birthday Boy Theme Party T-Shirt! Perfect for birthday celebrations and parties, this vibrant and playful tee is designed for fans of all ages who want to add a splash of nostalgia to their wardrobe.
👕 **Product Features:**
- **Design**: This shirt features an eye-catching graphic of the beloved SpongeBob SquarePants dressed as a grandparent, making it a humorous and heartwarming tribute to the birthday boy. The colors are bright, featuring a mix of yellow, blue, and green that speaks to the cheerful spirit of SpongeBob’s world.
- **Material**: Crafted from high-quality cotton, this t-shirt is soft, breathable, and comfortable enough for all-day wear. Whether at a party or just hanging out, you’ll feel great in this stylish piece.
- **Fit**: Available in various sizes, this t-shirt offers a relaxed fit that is flattering for everyone. Perfect for layering or wearing on its own!
🎈 **Why You'll Love It:**
- **Perfect Gift**: An ideal present for SpongeBob fans, and a fantastic addition to any birthday celebration. Be the star of the party or surprise the birthday boy with this unique gift!
- **Versatile Style**: Pair it with jeans, shorts, or pajamas for a laid-back, fun look that captures the spirit of childhood.
- **Conversation Starter**: The playful design will spark joy and conversation amongst friends and family, making every gathering even more special.
🌟 **Make Memories**: Don your Mademark x SpongeBob SquarePants T-Shirt and create lasting memories filled with laughter and joy at every birthday celebration!
Elevate your party attire game and show off your love for SpongeBob with this delightful tee. Grab yours today and be ready to celebrate in style!
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.