Baby Sister Personalized Onesie – Pima Cotton Newborn Outfit

Celebrate her new role with the perfect first outfit.

Our Baby Sister Personalized Onesie is made from the softest 100% Pima cotton, designed to keep your newborn cozy while marking a milestone every family treasures. Hand-finished embroidery spells out “Baby Sister” in elegant lettering, making it as meaningful as it is beautiful.

Available in ivory with champagne embroidery, baby pink, or watermelon, this timeless onesie is ideal for newborn photos, sibling introductions, baby showers, and coming-home outfits. Sizes range from newborn through 12M so she can wear her title proudly as she grows.

Why Parents Love It:

• Crafted from luxury Pima cotton gentle on delicate skin
• Personalized embroidery milestone detail 
• Available in multiple colors and infant sizes
• A keepsake-quality outfit for milestone moments
• A thoughtful baby shower or sibling gift

Create the memory every parent dreams of — because her first outfit should be as unforgettable as she is.

Matching “Big Brother”

Matching “Big Sister”

Matching "Baby Brother"

All Sales Final (Personalized + Made-to-Order)

Because items are personalized and/or made to order, we do not accept returns, exchanges, or cancellations once an order is placed.

Turnaround Time (Production)

“Turnaround time” refers to the time it takes us to make your order after it’s placed. Turnaround time is counted in business days only (excluding Saturdays, Sundays, and holidays).

Our current turnaround time is always posted at the top of our website and on our Instagram. You may also contact our store to confirm.

Shipping Time (Transit)

We ship via USPS. Shipping time is separate from turnaround time and begins once your order has shipped. Transit time depends on the service selected at checkout:

• USPS First Class: 5–7 business days
• USPS Priority Mail: 1–3 business days
• USPS Express: 1 business day

Please note: USPS transit times are estimates. We are not responsible for carrier delays and cannot guarantee delivery dates. Shipping fees are non-refundable, including orders that do not arrive by an expected date.

Order Cancellations

Orders cannot be canceled once placed. After checkout, your order enters our production process and inventory is allocated to your item.

Customs & Import Taxes (International Orders)

International buyers are responsible for any customs duties, taxes, or import fees that may apply. We are not responsible for delays caused by customs processing.

A quick monogram reminder before you check out: the letter order makes all the difference 💛

Standard format: First • Last • Middle

We’ll stitch/print your personalization exactly as entered.