• May include: White t-shirt with a colorful rainbow design and the text "I'm Going to be a Big Sister!". The rainbow features shades of pink and a heart shape. Floral accents are present.
  • May include: White sweatshirt with a pink and purple rainbow design, floral accents, and the text "I'm Going to Be a Big Sister!". The design includes a heart and the words "Tiny and Sweet" at the bottom.
  • May include: A light pink background with the text "Tiny and Sweet, Personalised Children's Gifts". The text describes the product's features: 100% premium cotton, nickel-free poppers, and baby-safe inks. Washing instructions are also included.
  • May include: White t-shirt with height and width measurements, and a sizing chart. The chart includes age ranges from 0-3 months to 5-6 years, with corresponding height and width in centimeters. The text "Tiny and Sweet" is at the top.
  • 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 says, "Sweatshirts are FITTED, consider sizing up for a looser fit."
  • May include: White t-shirt with a colorful rainbow design and the text "I'm Going to be a Big Sister!". The rainbow features shades of pink and a heart shape. Floral accents are present.
  • May include: White sweatshirt with a pink and purple rainbow design, floral accents, and the text "I'm Going to Be a Big Sister!". The design includes a heart and the words "Tiny and Sweet" at the bottom.
  • May include: A light pink background with the text "Tiny and Sweet, Personalised Children's Gifts". The text describes the product's features: 100% premium cotton, nickel-free poppers, and baby-safe inks. Washing instructions are also included.
  • May include: White t-shirt with height and width measurements, and a sizing chart. The chart includes age ranges from 0-3 months to 5-6 years, with corresponding height and width in centimeters. The text "Tiny and Sweet" is at the top.
  • 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 says, "Sweatshirts are FITTED, consider sizing up for a looser fit."
Report this item to Etsy

Rainbow Big Sister T-Shirt, 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.

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NowPrice:$13.89+

Original Price: $15.44+

10% off

•

Sale ends in 6 days

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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

What buyers say, summarized by AI: Great quality Looks great Love it As described Fast shipping Helpful seller Fits well

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.

(53 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

Sammi Jun 19, 2026

Amazing help was very helpful. Product as described x

Sammi Jun 19, 2026

Response from Sophie Laura Goodwin

Thank you!

5 out of 5 stars 5 This item

Kirsty May 13, 2026

Beautiful t-shirt, lovely material. Our daughter loved it.

Kirsty May 13, 2026

Response from Sophie Laura Goodwin

Thank you!

5 out of 5 stars 5 This item

Suzanne Apr 3, 2026

Good quality T-shirt, cute little design. Perfect. Thank you

Suzanne Apr 3, 2026

Response from Sophie Laura Goodwin

Thank you!

5 out of 5 stars 5 This item

Paulina Mar 22, 2026

Very nice product thank you

Paulina Mar 22, 2026

Response from Sophie Laura Goodwin

Thank you!

Photos from reviews

Seller's description

Specifications

May include: White t-shirt with a colorful rainbow design and the text "I'm Going to be a Big Sister!". The rainbow features shades of pink and a heart shape. Floral accents are present.

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.

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Star Seller

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

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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.

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Listed on Sep 15, 2026
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