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Demon Slayer Birthday Decorations

Fail

Demand is soft, at -24.6% this quarter, so Demon Slayer Birthday Decorations is a Fail.

Flapen Score
49
49 / 100
Ranks 5,355 of 11,240 Home & Kitchen niches · on the category median
Market size
$280K/yr456K searches / yr
90-day growth
-24.6%search demand this quarter
Competition
54%top-5 click share · 15 brands · 16 sellers

Flapen Score

Demon Slayer Birthday Decorations against its category

The dotted line is the Home & Kitchen average. Past it, Demon Slayer Birthday Decorations is stronger. Inside it, weaker.

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

Market

The Demon Slayer Birthday Decorations market on Amazon at a glance

Shoppers on Amazon United States searched for Demon Slayer Birthday Decorations 456K times last year and spent an estimated $280K. The top 5 brands take 83% of clicks. Demand peaks in Sep–Oct. Flapen scores it 49 out of 100, a Fail.

01 · Demand

An estimated 3.3% of those searches ended in a purchase.

Shoppers searched for this 456K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.3% of those searches ended in a purchase. Searches in the last 90 days moved -24.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $280K a year.

Searches, last 12 months
456K
Growth, 90 days vs prior 90
-24.6%
Conversion, latest week
3.3%
Market size, estimated
$280Ka year
Peak month
September2.5× the quietest month
Top search term
demon slayer birthday decorations154K searches a year

02 · Price

A sale here is worth $18.38.

Listings sell for $18.38 on average, from $6.95 to $36.79. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 250 to 500 of them. At $18.38 that is $5K to $9K a year per listing.

Average price
$18.38inside the $15 to $100 sweet spot
Price range
$6.95–$36.79
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
15K–20K
Units per listing a year
250–500
Revenue per listing a year
$5K–$9K
Returns
1.4%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

54% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 8.5% of listings are out of stock. The average listing ranks #2,484 within Party Packs. It carries 56 reviews at 4.57 stars, so a new listing needs social proof before a better product.

Sponsored listings
54%
Prime listings
100%
Out of stock, average day
8.5%
Average rank
#2,484in Party Packs
Average rating
4.57 starsAmazon United States average 4.42 stars
Average reviews
56per listing
Listings tracked
26

04 · Newcomers

6 of last year's 20 launches cleared the first-year sales bar.

20 products launched here in the last 12 months. 6 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 22 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
20
Successful launches
6Amazon's first-year sales bar
Average brand age
22 months

Products

Top Demon Slayer Birthday Decorations 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 54% of clicks. Leaders hold, but buyers still shop past them.

Brands

15 rising

Sellers

16

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

54%

Top 20: 93%

Open market

14%

  • Brand 135%
  • Brand 233%
  • Brand 36%
  • Brand 45%
  • Brand 54%
  • Brand 63%
  • Open — no brand owns it (9 brands, 14%)

Demand

Demon Slayer Birthday Decorations search demand

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

13K8KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 2.5×

Search terms

Top Demon Slayer Birthday Decorations search terms shoppers use

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

  • demon slayer birthday decorations154K/yr
  • demon slayer party decorations61K/yr
  • demon slayer cake topper39K/yr
  • demon slayer birthday30K/yr
  • demon slayer party favors30K/yr
  • demon slayer decorations20K/yr
  • demon slayer party21K/yr
  • nezuko birthday decorations11K/yr
  • demon slayer balloons14K/yr
  • demon slayer cake decorations14K/yr

Reviews and returns

What reviews say buyers love and hate about Demon Slayer Birthday Decorations

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

26%of positive reviews mention “Quality-Overall”
28%of negative reviews mention “Quality-Overall”
1.4%of orders come back
“I mean the fact that its low quality might make it funnier”
A buyer, on “Quality-Overall”28% 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 Demon Slayer Birthday Decorations questions

Answered from the same tracked data.