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Original Price: $19.99+

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Big Sister Shirt or Little Sister Romper Set: Sibling Announcement

MamaBijou  
Arrives soon! Get it by Jul 30-Aug 3 if you order today
Jul 30-Aug 3

Please select an option

Please select an option

  • If purchasing either the romper with hat or blanket, please provide babies name below up to 12 letters for hat personalization.

    If not wanting personalization on hat, please put "none".

    0/12

You can only make an offer when buying a single item

Star Seller. This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

Highlights

This shirt is a stylish way to announce they are going to be the Big Sister! You can also choose to purchase the Little Sister on a light pink romper/hat set, romper/headband set, or the complete set of romper, hat and headband. It coordinates nicely with our other sibling outfits or newborn outfits. You can see them in links below.

THIS LISTING IS FOR PURCHASING 1 SHIRT OR ROMPER/HAT, ROMPER/HEADBAND, ROMPER/HEADBAND/BLANKET, ROMPER/HAT/BLANKET OR ROMPER/HAT/HEADBAND SET AT A TIME. PURCHASING MULTIPLE GARMENT INSTRUCTIONS ARE BELOW. BLANKET AND KEEPSAKE BAG CAN BE ADDED SEPARATELY.

PURCHASING MULITPLE GARMENTS

This listing is for purchasing 1 shirt, romper set or gown set. Each additional needs to be added to your cart individually.

1st drop down box, you will choose if you want the garment to have Big Sister or Little Sister

2nd drop down box, you will choose the garment and size you would like to have your design on.

If choosing the romper and hat or blanket, in the Personalization field you will provide babies name up to 12 letters for personalization on the hat.

You will then add to cart and repeat for each garment you want to add to your purchase. Once everything you want is added to your cart, you will go to your cart and complete your checkout. Please refer to size chart in pictures for sizing information.

If wanting to add the blanket or keepsake bag and do not see the link in my store to add, please convo me for the links to add to your purchase.

* * * * *PRODUCT DETAILS* * * * *

We only use top grade heat transfer materials. Our designs are applied with a commercial heat press to ensure high quality long lasting outfits for your little divas and dudes!

PLEASE NOTE, THE SWEATSHIRT IS A DIFFERENT MATERIAL THAN THE ROMPER. WITH THEM BEING DIFFERENT MATERIALS AND MANUFACTURERS, THE COLOR IS COORDINATING BUT NOT EXACT BETWEEN THE GARMENTS.

LIGHT PINK SWEATSHIRT: The sweatshirt is 60/40 cotton/polyester. It has a cover stitched collar, shoulders, armholes ribbed cuffs and waistband.

PINK SHORT SLEEVE TEE SHIRT: The tee shirt 100% combed ring spun cotton fine jersey. It has a topstitched ribbed collar and double needle sleeves and bottom hem

LIGHT PINK NEWBORN ROMPER: The romper sizes Newborn (approximately 7-10lbs) and is 100% cotton. The sleeves have the fold over ruffle mitts to protect the babies face from scratches and the bottom snaps open to make easy access for the quick diaper changes. The added fold over foot cuff gives it the option to be a footed romper. You have the choice to leave open for socks or fold over to cover babies feet. They also can be cuffed for smaller babies and also left uncuffed for longer babies and gives more room for baby to grow.

LIGHT PINK HAT (if added): The knotted beanie hat is 100% cotton and will be personalized with her name in the same font and color as on her romper. If hat is purchased and no name is provided in personalization field, we will send hat without personalization.

LIGHT PINK HEADBAND (if added): The knotted headband is 100% cotton and is adjustable to fit newborn to 3 months.

LIGHT PINK BLANKET (if added): The blanket is 100% cotton 30" by 40" and will be customized as shown to coordinate with her outfit.

If you need help checking out, sizing information, shipping information or washing instructions please go to my policies page under the FAQ section at the link provided below.

MY PRODUCTION TIME WILL BE GIVEN AT CHECKOUT BEFORE PURCHASING. IF YOU DO NOT SEE IT AT CHECKOUT PLEASE CHECK IN EITHER MY STORE BANNER OR MY POLICIES PAGE.

https://www.etsy.com/shop/mamabijou/policy?ref=shopinfo_policies_leftnav

PLEASE NOTE: Due to the many variations in monitors, cameras and browsers, garment colors may appear differently on your monitor. Computer monitors are not all calibrated equally and color reproduction on the Internet is not precise. Since it is not possible to guarantee our online colors will look the same on all computers, we do not guarantee that what you see accurately portrays the color of the actual garment. If you have any questions on color, please feel free to contact me before purchasing.


FAMILY/SIBLING CLOTHING
https://www.etsy.com/shop/mamabijou?ref=simple-shop-header-name&listing_id=1252409498§ion_id=23524872

BABY BOY ROMPERS
https://www.etsy.com/shop/mamabijou?ref=seller-platform-mcnav§ion_id=37358770

BABY BOY CLOTHING
https://www.etsy.com/shop/mamabijou?ref=seller-platform-mcnav§ion_id=11216910

BABY GIRL ROMPERS
https://www.etsy.com/shop/mamabijou?ref=seller-platform-mcnav§ion_id=37371549

BABY GIRL CLOTHING
https://www.etsy.com/shop/mamabijou?ref=seller-platform-mcnav§ion_id=11895896

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  • Order today to get by Jul 30-Aug 3
  • Returns & exchanges not accepted
  • Cost to ship: $5.95
  • Ships from: Crystal Lake, IL

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Reviews for this item

5.0

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(8 reviews)

5.0 Item quality
5.0 Shipping
5.0 Customer service
100% Buyers recommend
Filter by category
5 out of 5 stars 5 This item

Etsy buyer Apr 2, 2025

Cannot wait to see little girl in this onesie!

Etsy buyer Apr 2, 2025

5 out of 5 stars 5 This item

Lacey Feb 4, 2025

Amazing! I loved this matching outfit

Lacey Feb 4, 2025

5 out of 5 stars 5 This item

Peggy Jun 14, 2024

Great big sis-little sis gift!

Peggy Jun 14, 2024

5 out of 5 stars 5 This item

Katie Jan 29, 2024

The romper is really soft, seems like great quality. The vinyl looks clear and held up well too the first wash. Would definitely buy more.

Katie Jan 29, 2024

MamaBijou
MamaBijou ·

Chicago, Illinois

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
66.4k sales
·
14 years on Etsy
Julie Lorie Kim Ed (my husband)
4 shop members

Typically responds within a few hours

Typically responds within a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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Disclaimer: As with all children's products, adult supervision is required. Products that contain small parts may pose a choking hazard and should not be used by children under 3. Sellers are responsible for following applicable laws and regulations, including posting items with accurate labeling and warnings. Etsy assumes no responsibility for the accuracy, labeling, or content of sellers' listings and products. Always read labels, warnings, directions and other information provided with the product before using it. If you have any questions, message the seller. See Etsy's Terms of Use for more information.

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Listed on Mar 25, 2026