Pixie and Elf
Big Brother Under the Sea Shirts
Big Brother Under the Sea Shirts
🚚 Fast & Free Delivery for orders $27 and up
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Celebrate your growing family with this adorable Ocean Big Brother Shirt featuring watercolor sea animals including whales, turtles, fish, octopus, and jellyfish. Designed with soft coastal colors and a whimsical ocean theme, this shirt is perfect for sibling pregnancy announcements, beach family photos, baby reveals, and everyday wear. 🌊🐋
This charming design creates an Instagram-worthy sibling announcement look while still feeling playful and timeless for little boys.
✨ DETAILS
• Soft premium cotton feel
• Professionally printed watercolor artwork
• Comfortable relaxed fit for toddlers & kids
• Available in t-shirt and long sleeve styles
• Lightweight and breathable for everyday wear
• Ocean-inspired pastel color palette
Options: shortsleeve tee or longsleeve tee- both are midweight shirts 180 gsm, regular fit.
✨ PERFECT FOR
• Australian Big brother pregnancy announcements
• Beach themed baby reveals
• Ocean birthday themes
• Sibling matching outfits
• Family photoshoots
• Aquarium trips & summer outfits
• Gifts for future big brothers
✨ DESIGN FEATURES
Featuring watercolor whales, turtles, tropical fish, jellyfish, octopus, and sea creatures with elegant “Big Brother” script typography for a soft coastal aesthetic.
✨ STYLE NOTES
Pairs beautifully with neutral shorts, denim, beachwear, and coastal-inspired family outfits for a timeless and candid family photography look.
Care Instructions:
• Machine wash cold inside out
• Tumble dry low
• Do not iron directly on design
• Hang dry for best longevity
Made for sweet sibling moments and ocean-loving little adventurers 🌊🤍
Oversized versus Regular fit
Oversized versus Regular fit
All of our shirts are regular fit. If you prefer an oversized look, please consider sizing up 1-2 sizes. For an accurate measurement, please refer to our size chart. 
How to Care
How to Care
Washing Instructions:
Cold, gentle wash setting with like colours only
Flip the shirt inside out before washing
Do not tumble dry
Do not use harsh detergents or bleach
Do not dry clean
Warm iron, inside out
Shipping Information
Shipping Information
Express Orders are received and treated the same as Standard Post orders, there is no priority given (ie, top of the queue). The only difference is the delivery method.
Processing time: 3-7 business days.
Standard shipping:
2-4 business days to most metro areas in Australia
3-6 business days to non-metro areas in Australia
Express shipping:
1-2 business days to most metro areas in Australia
2-4 business days to non-metro areas in Australia
Check our shipping and processing times here
