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Rumi Costume

Maybe

Shoppers spend an estimated $2.5M a year here. But demand is soft, at -36.3% this quarter, so Rumi Costume is a Maybe.

Flapen Score
61
61 / 100
Top 4% of 16,930 Clothing, Shoes & Jewelry niches · +16 vs the category median of 45
Market size
$2.5M/yr8.0M searches / yr
90-day growth
-36.3%search demand this quarter
Competition
34%top-5 click share · 26 brands · 30 sellers

Flapen Score

Rumi Costume against its category

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

61Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Rumi Costume market on Amazon at a glance

Shoppers on Amazon United States searched for Rumi Costume 8.0M times last year and spent an estimated $2.5M. The top 5 brands take 51% of clicks. Flapen scores it 61 out of 100, a Maybe.

01 · Demand

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

Shoppers searched for this 8.0M 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 -36.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $2.5M a year.

Searches, last 12 months
8.0M
Growth, 90 days vs prior 90
-36.3%
Conversion, latest week
0.8%
Market size, estimated
$2.5Ma year
Top search term
rumi costume kids4.5M searches a year

02 · Price

A sale here is worth $38.52.

Listings sell for $38.52 on average, from $9.56 to $93.19. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 500 to 750 of them. At $38.52 that is $19K to $29K a year per listing.

Average price
$38.52inside the $15 to $100 sweet spot
Price range
$9.56–$93.19
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
60K–80K
Units per listing a year
500–750
Revenue per listing a year
$19K–$29K
Returns
7.5%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

74% of listings pay for placement with sponsored ads. 76% ship with Prime. On an average day, 46.3% of listings are out of stock. The average listing ranks #4,971 within Girls. It carries 148 reviews at 4.20 stars, so a new listing needs social proof before a better product.

Sponsored listings
74%
Prime listings
76%
Out of stock, average day
46.3%
Average rank
#4,971in Girls
Average rating
4.20 starsAmazon United States average 4.42 stars
Average reviews
148per listing
Listings tracked
46

04 · Newcomers

17 of last year's 45 launches cleared the first-year sales bar.

45 products launched here in the last 12 months. 17 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 21 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
45
Successful launches
17Amazon's first-year sales bar
Average brand age
21 months

Products

Top Rumi Costume 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 10, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 34% of clicks, no more. An open shelf where new products get seen.

$0$98K$196K$295K$393K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

26

Sellers

30

Est. top-5 brand share

51%

Top 20: 94%

Est. top-5 click share

34%

Top 20: 71%

Open market

44%

  • WYYXXT19%
  • AOVCLKID11%
  • FENGLONG-YB8%
  • JIEANYAN7%
  • RUXINRUA6%
  • Lgandpg5%

Demand

Rumi Costume search demand

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

900K700KSpike '25SepOctNovDecJanFebMarAprMayJun

Peak months: Sep, Oct · busiest ÷ quietest = 38.8× · 11 of 12 months tracked

Search terms

Top Rumi Costume search terms shoppers use

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

  • rumi costume kids4.5M/yr
  • rumi costume1.1M/yr
  • disfraz de rumi para nia164K/yr
  • rumi kpop demon hunters costume372K/yr
  • k-pop demon hunters costume rumi506K/yr
  • rumi costume girls146K/yr
  • kpop demon hunters costume rumi255K/yr
  • kpop demon hunters rumi costume93K/yr
  • kpop rumi costume kids74K/yr
  • rumi golden costume70K/yr

Reviews and returns

What reviews say buyers love and hate about Rumi Costume

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

16%of positive reviews mention “Size-Overall”
22%of negative reviews mention “Quality-Overall”
7.5%of orders come back
“Bad quality”
A buyer, on “Quality-Overall”22% 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 Rumi Costume 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