• May include: White sweatshirt with a pink and burgundy rainbow graphic, floral accents, and the text "I'm Going to Be a Big Sister!". The design includes a heart and the words "Tiny and Sweet".
  • May include: White t-shirt with a rainbow design in shades of pink and peach, topped with a floral arrangement. The text "I'm going to be a Big Sister!" is written in a script font.
  • May include: A light pink graphic with the text "Tiny and Sweet, Personalised Children's Gifts" and product details. The text includes information about the materials, printing, and certifications for children's clothing. Washing instructions are also included.
  • May include: White t-shirt with height and width measurements, and a sizing chart for children's t-shirts. The chart includes age ranges from 0-3 months to 5-6 years, with corresponding height and width in centimeters.
  • May include: White baby bodysuit with measurement labels for chest, length, and arm. The image includes a sizing chart with measurements in centimeters for newborns, 0-3 months, 3-6 months, and 6-12 months. The text reads "Tiny and Sweet".
  • May include: White baby footed sleepsuit with measurements for length, chest, and arm. The image includes a sizing chart with measurements in centimeters for newborns, 0-3 months, 3-6 months, and 6-12 months. The text reads "Tiny and Sweet".
  • May include: White children's sweatshirt with a sizing chart. The chart provides measurements in centimeters for length, chest, and arms for sizes ranging from 6-12 months to 5-6 years. The text reads "Tiny and Sweet, Personalised Children's Gifts."
  • May include: White sweatshirt with a pink and burgundy rainbow graphic, floral accents, and the text "I'm Going to Be a Big Sister!". The design includes a heart and the words "Tiny and Sweet".
  • May include: White t-shirt with a rainbow design in shades of pink and peach, topped with a floral arrangement. The text "I'm going to be a Big Sister!" is written in a script font.
  • May include: A light pink graphic with the text "Tiny and Sweet, Personalised Children's Gifts" and product details. The text includes information about the materials, printing, and certifications for children's clothing. Washing instructions are also included.
  • May include: White t-shirt with height and width measurements, and a sizing chart for children's t-shirts. The chart includes age ranges from 0-3 months to 5-6 years, with corresponding height and width in centimeters.
  • May include: White baby bodysuit with measurement labels for chest, length, and arm. The image includes a sizing chart with measurements in centimeters for newborns, 0-3 months, 3-6 months, and 6-12 months. The text reads "Tiny and Sweet".
  • May include: White baby footed sleepsuit with measurements for length, chest, and arm. The image includes a sizing chart with measurements in centimeters for newborns, 0-3 months, 3-6 months, and 6-12 months. The text reads "Tiny and Sweet".
  • May include: White children's sweatshirt with a sizing chart. The chart provides measurements in centimeters for length, chest, and arms for sizes ranging from 6-12 months to 5-6 years. The text reads "Tiny and Sweet, Personalised Children's Gifts."
Report this item to Etsy

Rainbow Big Sister Sweatshirt, Big Sister Reveal outfit, Announcement Gift for Siblings and Family, Rainbow Sister Tee, Sister Announcement

TinyAndSweetUK  
5 out of 5 stars

Item highlights

  • Made to order

Seller's description

Celebrate the special bond of sisterhood with our adorable Big Sister T-shirt collection! Whether she’s about to welcome a new sibling or proudly owns her big sister title, these tees are the perfect way to mark the moment. Designed with love and comfort in mind, our t shirts come in a variety of colours, styles, and sizes to suit every little personality. Ideal for pregnancy announcements, family photos, or just everyday cuteness – let your big girl shine in a shirt as special as she is.

Please note: T shirts run true to size/slightly larger than high street stores.
Sweatshirts are fitted and run small, please consider sizing up.

Product Features:
🍼 100% premium cotton – soft, breathable and gentle on delicate skin
✨ Nickel-free poppers – easy and safe for quick changes (on sleepsuits and vests)
🎨 Printed using Direct to Garment (DTG) technology – for vibrant designs that last wash after wash
✅ Child-safe inks – ECO PASSPORT certified for peace of mind
👶 Available in a range of sizes to suit newborns to toddlers

OEKO-TEX® Certified - meaning our garments have been rigorously tested and are completely free from harmful substances – making them safe and gentle for your baby or toddler’s delicate skin.

SEDEX-certified and BSCI-certified - this means the production process of our garments meets high standards for ethical working conditions, fair treatment of workers, and environmental responsibility. So you can feel good knowing your little one is wearing something that’s kind to both people and the planet.

View more

NowPrice:$13.89+

Original Price: $15.44+

10% off

•

Sale ends in 6 days

Please select an option

Please select an option

You can only make an offer when buying a single item

Shipping & return policies

Sorry, this item doesn’t ship to United States. Contact the shop to find out about available shipping options.

Reviews for this item

4.7

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.

(6 reviews)

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

Melissa Apr 19, 2026

Loved this for our baby announcement!!

Melissa Apr 19, 2026

Response from Sophie Laura Goodwin

Thank you Melissa!

4 out of 5 stars 4 This item

Erica Mar 30, 2026

Beautiful jumper and fabulous quality. I would say made on the smaller side. I bought a 1-2years and my daughter is 14 months old and usually a size 12-18 months clothes are on the big side for her .

Erica Mar 30, 2026

Response from Sophie Laura Goodwin

Thanks for your feedback Erica! We do state in the product description and on the size chart that our sweatshirts run small and that we recommend sizing up! We also encourage customers to read the full listing info prior to purchase to ensure the best fit! :)

5 out of 5 stars 5 This item

JOANNA Feb 18, 2026

Lovely item thank you so much

JOANNA Feb 18, 2026

Response from Sophie Laura Goodwin

Thank you!

5 out of 5 stars 5 This item

Amy Jan 23, 2026

Item matched the description perfectly!

Amy Jan 23, 2026

Response from Sophie Laura Goodwin

Thank you!

Seller's description

Specifications

May include: White sweatshirt with a pink and burgundy rainbow graphic, floral accents, and the text "I'm Going to Be a Big Sister!". The design includes a heart and the words "Tiny and Sweet".

Celebrate the special bond of sisterhood with our adorable Big Sister T-shirt collection! Whether she’s about to welcome a new sibling or proudly owns her big sister title, these tees are the perfect way to mark the moment. Designed with love and comfort in mind, our t shirts come in a variety of colours, styles, and sizes to suit every little personality. Ideal for pregnancy announcements, family photos, or just everyday cuteness – let your big girl shine in a shirt as special as she is.

Please note: T shirts run true to size/slightly larger than high street stores.
Sweatshirts are fitted and run small, please consider sizing up.

Product Features:
🍼 100% premium cotton – soft, breathable and gentle on delicate skin
✨ Nickel-free poppers – easy and safe for quick changes (on sleepsuits and vests)
🎨 Printed using Direct to Garment (DTG) technology – for vibrant designs that last wash after wash
✅ Child-safe inks – ECO PASSPORT certified for peace of mind
👶 Available in a range of sizes to suit newborns to toddlers

OEKO-TEX® Certified - meaning our garments have been rigorously tested and are completely free from harmful substances – making them safe and gentle for your baby or toddler’s delicate skin.

SEDEX-certified and BSCI-certified - this means the production process of our garments meets high standards for ethical working conditions, fair treatment of workers, and environmental responsibility. So you can feel good knowing your little one is wearing something that’s kind to both people and the planet.

Delivery details and policies

  • Returns and exchanges
    Not accepted.
  • Ships from
    United Kingdom
  • Cost to ship

    Sorry, this item doesn’t ship to United States. Contact the shop to find out about available shipping options.

    There was a problem calculating your shipping. Please try again.

Shop with confidence
Star Seller

This seller consistently earned 5-star reviews, shipped orders on time, and replied quickly to messages.

Etsy Purchase Protection

If something goes wrong with an order, we've got your back on all eligible purchases. View program terms

Climate investments

Etsy supports climate solutions, from electric delivery trucks to carbon offsets for every delivery. View how

Meet your seller

TinyAndSweetUK
Sophie Laura Goodwin
TinyAndSweetUK ·

Maidstone, United Kingdom

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
·
92.1k sales
·
4 years on Etsy

Usually responds in 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.

You may also like

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.

Shoppers with similar taste loved these

Show more
Show more

Explore related searches

Big Sister Toddler

Big Sister 7-8

Big Sister Shirt Size 10-12

Big Sister Secret

Big Sister Shirt Baby Announcement

Big Sister Energy Shirt

Big Sister/ Little Sister

Listed on Oct 29, 2026
71 favorites
Homepage Clothing