Big Sis T-shirt
- High Demand Notice: 2-3 Weeks Production Time
- 1000's Happy Customers
- Warehouses Located Worldwide

Big Sis Est. T-Shirt – Custom Year for the Sweetest Big Sister!
Celebrate your little one’s new role with our adorable Big Sis Est. T-Shirt, personalised with a special “Est. [Year]” to mark when she officially became the best big sister ever! This sweet, timeless tee is perfect for family photos, sibling reveal announcements, or just everyday fun.
✨ Custom & Meaningful
Add the baby’s birth year for a personal touch — “Big Sis Est. 2025” makes this shirt a keepsake she’ll cherish for years to come.
👕 Soft & Comfy Fit
Made from 100% cotton (110gsm), this t-shirt offers a regular fit that’s breathable, moisture-wicking, and gentle on delicate skin. Perfect for playtime, photoshoots, or matching sibling outfits.
📸 Perfect for Sibling Reveals & Photos
This Big Sis shirt is ideal for pregnancy announcements, gender reveals, or baby showers — a sweet addition to family memories.
🧺 Easy to Care For
Hand wash or machine wash — avoid soaking too long or bleaching. For best results, wash with mild detergent below 45ºC.
🎁 A Thoughtful Keepsake Gift
This personalised Big Sis Est. T-Shirt is a wonderful gift for big sister-to-be. Great for birthdays, baby showers, or welcoming a new sibling!
Each item is handcrafted and assembled with love just for you. Due to this, please allow 10-15 business days for your order to ship.
Once shipped, you can expect delivery within:
Australia & New Zealand: 6-10 Business Days
USA: 8-15 Business Days
UK & EU: 8-15 Business Days
Rest of the World: 8-20 Business Days
Please be advised that items may be dispatched separately from our international warehouse, resulting in separate deliveries.