Little Sister
FailBuyers convert on only 1.0% of searches, so Little Sister is a Fail.
- Flapen Score
- 41 / 100Ranks 11,351 of 16,930 Clothing, Shoes & Jewelry niches · −4 vs the category median of 4541
- Market size
- $65K/yr429K searches / yr
- 90-day growth
- -14.5%search demand this quarter
- Competition
- 43%top-5 click share · 25 brands · 30 sellers
Flapen Score
Little Sister against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Little Sister is stronger. Inside it, weaker.
Market
The Little Sister market on Amazon at a glance
Shoppers on Amazon United States searched for Little Sister 429K times last year and spent an estimated $65K. The top 5 brands take 66% of clicks. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 1.0% of those searches ended in a purchase.
Shoppers searched for this 429K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.0% of those searches ended in a purchase. Searches in the last 90 days moved -14.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $65K a year.
- Searches, last 12 months
- 429K
- Growth, 90 days vs prior 90
- -14.5%
- Conversion, latest week
- 1.0%
- Market size, estimated
- $65Ka year
- Peak month
- February1.3× the quietest month
- Top search term
- little sister85K searches a year
02 · Price
A sale here is worth $15.87.
Listings sell for $15.87 on average, from $8.05 to $25.74. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At $15.87 that is $2K to $4K a year per listing.
- Average price
- $15.87inside the $15 to $100 sweet spot
- Price range
- $8.05–$25.74
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 5K–6K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$4K
- Returns
- 2.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
96% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 0.2% of listings are out of stock. The average listing ranks #495 within Baby Girls. It carries 1,619 reviews at 4.64 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 96%
- Prime listings
- 96%
- Out of stock, average day
- 0.2%
- Average rank
- #495in Baby Girls
- Average rating
- 4.64 starsAmazon United States average 4.42 stars
- Average reviews
- 1,619per listing
- Listings tracked
- 46
04 · Newcomers
2 of last year's 17 launches cleared the first-year sales bar.
17 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 30 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 17
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 30 months
Products
Top Little Sister 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
Unordinary Toddler Big Brother Little Sister Outfits brother sister Sibling Matching Baby Newborn Girl Set (Charcoal Black/Mauve Kids (2Y) / Baby (NB))
- Price
- $22.72
- Rating
- 4.8/5
- Reviews
- 1,591
- Age
- 6y ago

AMAWMW Newborn Baby Girl Little Sister Sleeper Gown Stripe Long Sleeve Nightgown Pajamas Gifts Stuff Essential Outfit
- Price
- $14.04
- Rating
- 4.7/5
- Reviews
- 5,326
- Age
- 5y 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

AMAWMW Newborn Baby Girl Little Sister Sleeper Gown Stripe Long Sleeve Nightgown Pajamas Gifts Stuff Essential Outfit
- Price
- $13.23
- Rating
- 4.7/5
- Reviews
- 5,326
- Age
- 3y ago

allshope Infant Baby Girl Fall Outfit Sweatshirt Romper Little Sister Lil Sis Long Sleeve Jumpsuit Newborn Winter Clothes (Little Sister Apricot Newborn)
- Price
- $17.07
- Rating
- 4.4/5
- Reviews
- 107
- Age
- 10mo ago
Trending
estimated 90-day click momentum
Newborn Girl Clothes Little Sister Summer Outfit Cotton Short Sleeve Romper Shorts Headband Baby Infant Toddler Girl Outfits
- Price
- $15.23
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 4y ago

Rourufy Little Sister Newborn Outfit Baby Girl Plaid Bow Onesie Smocked Bubble Romper Dress Infant Spring Summer Clothes (A Lil Sister Bowknot Pink 0-3 Months)
- Price
- $14.17
- Rating
- 4.7/5
- Reviews
- 12
- 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

FYBITBO Little Sister Newborn Outfit Baby Girl Summer Romper Coming Home Jumpsuit Big Sister Little Sister Matching Outfits (Pink Newborn)
- Price
- $11.14
- Rating
- 4.7/5
- Reviews
- 18
- Age
- 5mo ago

AMAWMW Newborn Baby Girl Little Sister Sleeper Gown Stripe Long Sleeve Nightgown Pajamas Gifts Stuff Essential Outfit
- Price
- $13.84
- Rating
- 4.7/5
- Reviews
- 5,326
- Age
- 2y ago
Newest
by launch date
Rourufy Little Sister Newborn Outfit Baby Girl Plaid Bow Onesie Smocked Bubble Romper Dress Infant Spring Summer Clothes (A Lil Sister Bowknot Pink 0-3 Months)
- Price
- $14.17
- Rating
- 4.7/5
- Reviews
- 12
- 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

FYBITBO Little Sister Newborn Outfit Baby Girl Summer Romper Coming Home Jumpsuit Big Sister Little Sister Matching Outfits (Pink Newborn)
- Price
- $11.14
- Rating
- 4.7/5
- Reviews
- 18
- Age
- 5mo ago

Rtnnsbbfcm Baby Girl Clothes Little Sister Outfits Ribbed Knit Long Sleeve Romper Jumpsuit Newborn Coming Home Clothing (Pink Lil Sis 0-3 Months)
- Price
- $13.24
- Rating
- 4.7/5
- Reviews
- 41
- Age
- 9mo ago

allshope Infant Baby Girl Fall Outfit Sweatshirt Romper Little Sister Lil Sis Long Sleeve Jumpsuit Newborn Winter Clothes (Little Sister Apricot Newborn)
- Price
- $17.07
- Rating
- 4.4/5
- Reviews
- 107
- Age
- 10mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 43% of clicks. Leaders hold, but buyers still shop past them.
Brands
25 falling
Sellers
30
Est. top-5 brand share
66%
Top 20: 96%
Est. top-5 click share
43%
Top 20: 76%
Open market
31%
- Unordinary Toddler26%
- AMAWMW25%
- FYBITBO6%
- allshope5%
- Socutebabe4%
- Polinkety3%
Demand
Little Sister search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Little Sister search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- little sister85K/yr
- little sister outfit70K/yr
- little sister onesie55K/yr
- big brother little sister outfits58K/yr
- baby sister28K/yr
- lil sister newborn outfit24K/yr
- baby sister onesie11K/yr
- newborn little sister outfit14K/yr
- baby sister outfit13K/yr
- little sister sleeper11K/yr
Reviews and returns
What reviews say buyers love and hate about Little Sister
We read the reviews and the return reasons for every product selling here.
“Runs 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.
20 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 Little Sister 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









