Mademark SpongeBob Sister Birthday Gift T-Shirt for Girls Fun Design
Mademark SpongeBob Sister Birthday Gift T-Shirt for Girls Fun 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.
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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 Sandy Sister of the Birthday Boy T-Shirt for Girls
🎉 **Celebrate in Style!** 🎉
Make their birthday unforgettable with the adorable Mademark x SpongeBob SquarePants "Sandy Sister of the Birthday Boy" T-Shirt! Perfect for young fans of the beloved animated series, this delightful tee combines fun and flair, making it an ideal gift for any celebration.
👕 **Charming Design**
Designed especially for girls, this t-shirt features a vibrant and colorful graphic of Sandy Cheeks, embodying her spirited personality and Texas charm. The playful artwork captures the essence of SpongeBob’s universe while celebrating the special day, ensuring your little one stands out in any birthday gathering.
🌈 **Quality Material**
Crafted from soft, breathable fabric, this t-shirt offers ultimate comfort and durability, allowing for play and fun all day long! The high-quality print ensures that the design remains bright even after multiple washes, making it a lasting addition to her wardrobe.
🎈 **Versatile and Stylish**
Available in a range of sizes, this t-shirt pairs perfectly with jeans, shorts, or skirts, making it versatile enough for everyday wear or special events. Whether she's celebrating her own birthday or joining a friend’s party, this tee is a fashionable choice!
🎁 **Perfect Gift Idea**
Looking for a gift that brings smiles? This SpongeBob-themed t-shirt is an ideal present for birthdays, holidays, or just because! It's a wonderful way to add a touch of magic to a child's wardrobe, ensuring joy and laughter wherever they go.
✨ **Key Features:**
- **Design:** Vibrant SpongeBob-inspired graphic
- **Material:** Soft, breathable fabric
- **Sizes:** Available in a variety of youth sizes
- **Care:** Durable print that withstands washes
- **Occasion:** Perfect for birthdays, playdates, and everyday fun!
Brighten her special day with the Mademark x SpongeBob SquarePants "Sandy Sister of the Birthday Boy" T-Shirt. It’s not just clothing; it’s a celebration of joy, laughter, and friendship! Grab yours today and watch her shine! 🌟
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.