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Mermaid Costume for Girls

Fail

Buyers convert on only 0.8% of searches, so Mermaid Costume for Girls is a Fail.

Flapen Score
49
49 / 100
Top 33% of 16,930 Clothing, Shoes & Jewelry niches · +4 vs the category median of 45
Market size
$201K/yr1.2M searches / yr
90-day growth
-17.3%search demand this quarter
Competition
23%top-5 click share · 45 brands · 59 sellers

Flapen Score

Mermaid Costume for Girls against its category

The dotted line is the Clothing, Shoes & Jewelry average. Past it, Mermaid Costume for Girls is stronger. Inside it, weaker.

49Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Mermaid Costume for Girls market on Amazon at a glance

Shoppers on Amazon United States searched for Mermaid Costume for Girls 1.2M times last year and spent an estimated $201K. The top 5 brands take 50% of clicks. Demand peaks in Sep–Oct. Flapen scores it 49 out of 100, a Fail.

01 · Demand

An estimated 0.8% of those searches ended in a purchase.

Shoppers searched for this 1.2M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.8% of those searches ended in a purchase. Searches in the last 90 days moved -17.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $201K a year.

Searches, last 12 months
1.2M
Growth, 90 days vs prior 90
-17.3%
Conversion, latest week
0.8%
Market size, estimated
$201Ka year
Peak month
October8.4× the quietest month
Top search term
little mermaid dress87K searches a year

02 · Price

A sale here is worth $22.53.

Listings sell for $22.53 on average, from $8.04 to $53.12. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 100 to 250 of them. At $22.53 that is $2K to $6K a year per listing.

Average price
$22.53inside the $15 to $100 sweet spot
Price range
$8.04–$53.12
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
10K–13K
Units per listing a year
100–250
Revenue per listing a year
$2K–$6K
Returns
3.8%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

94% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 6.4% of listings are out of stock. The average listing ranks #471 within Girls. It carries 2,320 reviews at 4.63 stars, so a new listing needs social proof before a better product.

Sponsored listings
94%
Prime listings
97%
Out of stock, average day
6.4%
Average rank
#471in Girls
Average rating
4.63 starsAmazon United States average 4.42 stars
Average reviews
2,320per listing
Listings tracked
86

04 · Newcomers

7 of last year's 22 launches cleared the first-year sales bar.

22 products launched here in the last 12 months. 7 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 40 months on average, so the names here are settling in.

Launched, last 12 months
22
Successful launches
7Amazon's first-year sales bar
Average brand age
40 months

Products

Top Mermaid Costume for Girls 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 23% of clicks. An open shelf where new products get seen.

Brands

45 flat

Sellers

59

Top-5 brand share

50%

Top 20: 81%

Top-5 click share

23%

Top 20: 51%

Open market

46%

  • Brand 120%
  • Brand 213%
  • Brand 39%
  • Brand 45%
  • Brand 54%
  • Brand 64%

Demand

Mermaid Costume for Girls search demand

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

125K75KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 8.4×

Search terms

Top Mermaid Costume for Girls search terms shoppers use

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

  • little mermaid dress87K/yr
  • mermaid costume for girls364K/yr
  • ariel costume for girls216K/yr
  • ariel costume82K/yr
  • little mermaid costume133K/yr
  • mermaid dress up30K/yr
  • traje de sirena para nia16K/yr
  • little mermaid dress for girls9K/yr
  • disfraz de sirena para nia16K/yr
  • little mermaid costume for girls31K/yr

Reviews and returns

What reviews say buyers love and hate about Mermaid Costume for Girls

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

19%of positive reviews mention “Size-Overall”
37%of negative reviews mention “Size-Overall”
3.8%of orders come back
“Runs very small”
A buyer, on “Size-Overall”37% 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.

19 topics

NegativePositive

FAQ

Common Mermaid Costume for Girls questions

Answered from the same tracked data.