"Big Sister" Baby Onesie – Groovy Flower Power Design (0–12 Months) Custom

Announce her new role in the cutest way possible!
The “Big Sister” baby onesie is bursting with sweet vibes and blooming personality. Featuring pastel pink text wrapped around an adorable smiling flower, this design is perfect for celebrating the newest promotion in the family—straight to Big Sis status!

Crafted with snuggly-soft cotton and easy snap closures, this bodysuit is not only photo-ready but playtime-friendly too. Whether she’s meeting her new sibling or just stealing the spotlight (again), this onesie says it loud and proud—with a sprinkle of flower power.

Product Highlights:

100% breathable cotton for all-day comfort

Cheerful retro design with pastel pink and yellow florals

Lap shoulder and bottom snap closures for easy dressing

Sizes available: 0–3M, 3–6M, 6–9M, 9–12M

Machine washable and camera ready!

Great for baby announcements, hospital meet-and-greets, or sibling photoshoots.

Ready to bloom into big sisterhood? Snag this adorable onesie and make her new role official—because being a big sis has never looked this cute!