Big Sister Shirt
FailBuyers convert on only 0.9% of searches, so Big Sister Shirt is a Fail.
- Flapen Score
- 43 / 100Ranks 9,936 of 16,930 Clothing, Shoes & Jewelry niches · −2 vs the category median of 4543
- Market size
- $182K/yr1.4M searches / yr
- 90-day growth
- -6.2%search demand this quarter
- Competition
- 48%top-5 click share · 17 brands · 19 sellers
Flapen Score
Big Sister Shirt against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Big Sister Shirt is stronger. Inside it, weaker.
Market
The Big Sister Shirt market on Amazon at a glance
Shoppers on Amazon United States searched for Big Sister Shirt 1.4M times last year and spent an estimated $182K. The top 5 brands take 70% of clicks. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 0.9% of those searches ended in a purchase.
Shoppers searched for this 1.4M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.9% of those searches ended in a purchase. Searches in the last 90 days moved -6.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $182K a year.
- Searches, last 12 months
- 1.4M
- Growth, 90 days vs prior 90
- -6.2%
- Conversion, latest week
- 0.9%
- Market size, estimated
- $182Ka year
- Peak month
- February1.4× the quietest month
- Top search term
- big sister shirt502K searches a year
02 · Price
A sale here is worth $14.13.
Listings sell for $14.13 on average, from $8.26 to $22.61. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 250 to 500 of them. At $14.13 that is $4K to $7K a year per listing.
- Average price
- $14.13under the $15 to $100 sweet spot
- Price range
- $8.26–$22.61
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $4K–$7K
- Returns
- 2.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.8% of listings are out of stock. The average listing ranks #391 within Baby Girls. It carries 561 reviews at 4.70 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 1.8%
- Average rank
- #391in Baby Girls
- Average rating
- 4.70 starsAmazon United States average 4.42 stars
- Average reviews
- 561per listing
- Listings tracked
- 27
04 · Newcomers
0 of last year's 8 launches cleared the first-year sales bar.
8 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 29 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 8
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 29 months
Products
Top Big Sister Shirt products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 8, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Big Sister Shirt Big Sister Announcement Toddler Shirts Promoted to Girls Outfit (White on Mauve 12months)
- Price
- $12.96
- Rating
- 4.8/5
- Reviews
- 4,130
- Age
- 6y ago

Promoted to Big Sister Shirt for Little Girls Toddler Baby Announcement Outfits (US Age 18 Months Mauve)
- Price
- $12.81
- Rating
- 4.8/5
- Reviews
- 1,478
- Age
- 5y ago

Amnnchya Toddler Baby Girl Clothes Floral Infant Summer Shirt Shorts Set Cute Big Sister Little Sister Matching Outfits (Blue Big Sister 2-3T)
- Price
- $14.03
- Rating
- 4.6/5
- Reviews
- 60
- Age
- 1y ago

Big Sister Shirt for Girls Toddler Kids Pregnancy Announcement Promoted to Big Sis T-Shirt Summer Short Sleeve TopBeige 2-3T
- Price
- $10.05
- Rating
- 4.5/5
- Reviews
- 94
- Age
- 1y ago

Unordinary Toddler big sister little sister matching outfits shirt gifts girls newborn baby set (Mauve Kid (12M) / Baby (NB))
- Price
- $22.61
- Rating
- 4.7/5
- Reviews
- 26
- Age
- 5mo ago
Trending
estimated 90-day click momentum
Big Sister Shirt Pregnancy Announcement Toddler Girl Unicorn Shirts Promoted to Girls Outfit New Baby Pregnancy Reveal Gift (US Age 12 Months Mauve)
- Price
- $12.91
- Rating
- 5.0/5
- Reviews
- 20
- Age
- 4mo ago

Unordinary Toddler big sister little sister matching outfits shirt gifts girls newborn baby set (Mauve Kid (12M) / Baby (NB))
- Price
- $22.61
- Rating
- 4.7/5
- Reviews
- 26
- Age
- 5mo ago

MULOIUDZ Big Sister Shirts for Toddler Girls Cool Big Sis Club T-Shirt Baby Announcement Tee Gender Reveal Outfit Summer Top(Purple 3-4T)
- Price
- $14.78
- Rating
- 4.5/5
- Reviews
- 19
- Age
- 6mo ago

Sineeko Big Sister Shirt for Toddler Girls T-Shirt Floral Hoop Graphic Tops Toddler Baby Announcement Outfits 3T
- Price
- $10.06
- Rating
- 4.8/5
- Reviews
- 300
- Age
- 2y ago

GOOCHEER Summer Big Sister Little Sister Matching Outfit Newborn Baby Girl Short Sleeve Romper Toddler Girl T-Shirt Tops (Pink-big sister 18-24 Months)
- Price
- $14.03
- Rating
- 4.6/5
- Reviews
- 20
- Age
- 7mo ago
Newest
by launch date
Big Sister Shirt Pregnancy Announcement Toddler Girl Unicorn Shirts Promoted to Girls Outfit New Baby Pregnancy Reveal Gift (US Age 12 Months Mauve)
- Price
- $12.91
- Rating
- 5.0/5
- Reviews
- 20
- Age
- 4mo ago

Unordinary Toddler big sister little sister matching outfits shirt gifts girls newborn baby set (Mauve Kid (12M) / Baby (NB))
- Price
- $22.61
- Rating
- 4.7/5
- Reviews
- 26
- Age
- 5mo ago

SANIXJOO Big Sister Club Embroidery Shirts Promoted to Big Sis Sibling Reveal Shirt Toddler Girls Short Sleeve Gifts Tops(Apricot 3-4T)
- Price
- $14.77
- Rating
- 4.6/5
- Reviews
- 20
- Age
- 6mo ago

GOOCHEER Big Sister Little Sister Matching Outfit Baby Girl Short Sleeve Romper Toddler Girl T-Shirt Tops (Pink-Big Sister 4-5T)
- Price
- $13.93
- Rating
- 4.0/5
- Reviews
- 18
- Age
- 6mo ago

SANIXJOO Toddler Baby Girls Big Sis Est. 2026 Embroidery T-Shirts Kids Promoted to Big Sister Tee Short Sleeve Tops(Apricot 18-24Months)
- Price
- $14.79
- Rating
- 4.8/5
- Reviews
- 12
- Age
- 6mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 48% of clicks. Leaders hold, but buyers still shop past them.
Brands
17 falling
Sellers
19
Est. top-5 brand share
70%
Top 20: 100%
Est. top-5 click share
48%
Top 20: 90%
Open market
26%
- Unordinary Toddler41%
- SANIXJOO12%
- Amnnchya6%
- GOOCHEER6%
- KiMiBabyBear5%
- Olive Loves Apple4%
Demand
Big Sister Shirt search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Big Sister Shirt search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- big sister shirt502K/yr
- big sister shirts for girls541K/yr
- promoted to big sister82K/yr
- big sister toddler shirt28K/yr
- big sister again28K/yr
- big sister t shirt23K/yr
- big sister shirts28K/yr
- big sister shirt 2t19K/yr
- big sister shirt 18 months14K/yr
- promoted to big sister shirt12K/yr
Reviews and returns
What reviews say buyers love and hate about Big Sister Shirt
We read the reviews and the return reasons for every product selling here.
“These items were too small”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Big Sister Shirt questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









