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18 Month Onesies Boy

Fail

The average product has 24,899 reviews to catch up to, so 18 Month Onesies Boy is a Fail.

Flapen Score
43
43 / 100
Ranks 9,936 of 16,930 Clothing, Shoes & Jewelry niches · −2 vs the category median of 45
Market size
$65K/yr142K searches / yr
90-day growth
-13.2%search demand this quarter
Competition
12%top-5 click share · 19 brands · 26 sellers

Flapen Score

18 Month Onesies Boy against its category

The dotted line is the Clothing, Shoes & Jewelry average. Past it, 18 Month Onesies Boy is stronger. Inside it, weaker.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 18 Month Onesies Boy market on Amazon at a glance

Shoppers on Amazon United States searched for 18 Month Onesies Boy 142K times last year and spent an estimated $65K. The top 5 brands take 89% of clicks. Demand peaks in Dec. Flapen scores it 43 out of 100, a Fail.

01 · Demand

An estimated 2.3% of those searches ended in a purchase.

Shoppers searched for this 142K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.3% of those searches ended in a purchase. Searches in the last 90 days moved -13.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $65K a year.

Searches, last 12 months
142K
Growth, 90 days vs prior 90
-13.2%
Conversion, latest week
2.3%
Market size, estimated
$65Ka year
Peak month
December1.9× the quietest month
Top search term
12 month boy onesies20K searches a year

02 · Price

A sale here is worth $19.82.

Listings sell for $19.82 on average, from $6.55 to $32.16. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 0 to 100 of them. At $19.82 that is $0 to $2K a year per listing.

Average price
$19.82inside the $15 to $100 sweet spot
Price range
$6.55–$32.16
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
4K–5K
Units per listing a year
0–100
Revenue per listing a year
$0–$2K
Returns
2.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

87% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.3% of listings are out of stock. The average listing ranks #82 within Baby Boys. It carries 24,899 reviews at 4.73 stars, so a new listing needs social proof before a better product.

Sponsored listings
87%
Prime listings
100%
Out of stock, average day
5.3%
Average rank
#82in Baby Boys
Average rating
4.73 starsAmazon United States average 4.42 stars
Average reviews
24,899per listing
Listings tracked
181

04 · Newcomers

46 of last year's 68 launches cleared the first-year sales bar.

68 products launched here in the last 12 months. 46 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 38 months on average, so the names here are settling in.

Launched, last 12 months
68
Successful launches
46Amazon's first-year sales bar
Average brand age
38 months

Products

Top 18 Month Onesies Boy products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take only 12% of clicks. An open shelf where new products get seen.

Brands

19 flat

Sellers

26

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

12%

Top 20: 32%

Open market

9%

  • Brand 133%
  • Brand 230%
  • Brand 312%
  • Brand 412%
  • Brand 52%
  • Brand 62%
  • Open — no brand owns it (13 brands, 9%)

Demand

18 Month Onesies Boy search demand

Weekly searches over the year, seasonality beneath. Pick a range.

8K6KPrime Day '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.9×

Search terms

Top 18 Month Onesies Boy search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • 12 month boy onesies20K/yr
  • 12 month girl onesies18K/yr
  • onesie 18 months girls11K/yr
  • onesies 18 months boy11K/yr
  • 18 month boy onesies9K/yr
  • onesie 18 months boy8K/yr
  • carters onesies 18 months7K/yr
  • 18 month girl onesies8K/yr
  • 12-18 month girl onesies8K/yr
  • onesies 9-12 months boy7K/yr

Reviews and returns

What reviews say buyers love and hate about 18 Month Onesies Boy

We read the reviews and the return reasons for every product selling here.

19%of positive reviews mention “Size-Overall”
23%of negative reviews mention “Size-Overall”
2.1%of orders come back
“Does not fit well”
A buyer, on “Size-Overall”23% of negative reviews mention the same topic

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

NegativePositive

FAQ

Common 18 Month Onesies Boy questions

Answered from the same tracked data.