Saja Boys Costume
FailDemand is soft, at -63.0% this quarter, so Saja Boys Costume is a Fail.
- Flapen Score
- 38 / 100Ranks 2,040 of 2,461 Fashion niches · −10 vs the category median of 4838
- Market size
- £60K/yr312K searches / yr
- 90-day growth
- -63.0%search demand this quarter
- Competition
- 75%top-5 click share · 9 brands · 15 sellers
Flapen Score
Saja Boys Costume against its category
The dotted line is the Fashion average. Past it, Saja Boys Costume is stronger. Inside it, weaker.
Market
The Saja Boys Costume market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Saja Boys Costume 312K times last year and spent an estimated £60K. The top 5 brands take 93% of clicks. Flapen scores it 38 out of 100, a Fail.
01 · Demand
An estimated 1.0% of those searches ended in a purchase.
Shoppers searched for this 312K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 1.0% of those searches ended in a purchase. Searches in the last 90 days moved -63.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £60K a year.
- Searches, last 12 months
- 312K
- Growth, 90 days vs prior 90
- -63.0%
- Conversion, latest week
- 1.0%
- Market size, estimated
- £60Ka year
- Top search term
- saja boys costume107K searches a year
02 · Price
A sale here is worth £19.19.
Listings sell for £19.19 on average, from £8.33 to £36.07. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At £19.19 that is £0 to £2K a year per listing.
- Average price
- £19.19inside the $15 to $100 sweet spot
- Price range
- £8.33–£36.07
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- £0–£2K
- Returns
- 1.0%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
71% of listings pay for placement with sponsored ads. 88% ship with Prime. On an average day, 33.4% of listings are out of stock. The average listing ranks #1,567 within Girls. It carries 237 reviews at 4.26 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 71%
- Prime listings
- 88%
- Out of stock, average day
- 33.4%
- Average rank
- #1,567in Girls
- Average rating
- 4.26 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 237per listing
- Listings tracked
- 17
04 · Newcomers
0 of last year's 13 launches cleared the first-year sales bar.
13 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 37 months on average, so the names here are settling in.
- Launched, last 12 months
- 13
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 37 months
Products
Top Saja Boys 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 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
KPop Demon Hunters Official Saja Boys Girls Pyjama Set 5-14 Years 2 Pcs Pjs Shorts & T-shirt Kpop Merch Gifts for Girls (9-10 Years Grey Saja Boys)
- Price
- £14.98
- Rating
- 4.6/5
- Reviews
- 1,027
- Age
- 9mo ago

Kitimi Jinu Costume Setfor Kid Teen Anime Movie Pop Black Demon Costume with Hat Chains Jewelry Saja Boys Costume Cosplay Outfits for Carnival Christmas Party Stage Dress-Up
- Price
- £35.30
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 7mo ago

Metaparty Boys Black Pop Costume World Book Day Costumes for Boys with Jacket Top Pants Hat Accessories for World Book Day (Black 140)
- Price
- £25.46
- Rating
- 3.8/5
- Reviews
- 7
- Age
- 8mo ago

Mens Black Vintage Tailcoat Jacket Fancy Cool Cosplay Costume Robe
- Price
- £16.16
- Rating
- 4.3/5
- Reviews
- 1,398
- Age
- 4y ago

Hoodie Kids Boys Kpop Costume- Fasion Pullover Anime Hoodie Kids Costume Hip Hop Streetwear Causal School Warm Oversized Long Sleeve Cartoon Print Hooded Sweatshirt Outwear Saj Merch Unisex 9-10Y
- Price
- £11.57
- Rating
- 4.0/5
- Reviews
- 2
- Age
- 6mo ago
Trending
estimated 90-day click momentum
Mens Black Vintage Tailcoat Jacket Fancy Cool Cosplay Costume Robe
- Price
- £16.16
- Rating
- 4.3/5
- Reviews
- 1,398
- Age
- 4y ago

KPop Demon Hunters Official Saja Boys Girls Pyjama Set 5-14 Years 2 Pcs Pjs Shorts & T-shirt Kpop Merch Gifts for Girls (9-10 Years Grey Saja Boys)
- Price
- £14.98
- Rating
- 4.6/5
- Reviews
- 1,027
- Age
- 9mo ago

LOLANTA Unisex Kids Color Block Clothing Set Stylish Street Hip Hop Dance Costume 12-13 Years B-Blue 170
- Price
- £28.26
- Rating
- 4.4/5
- Reviews
- 204
- Age
- 3y ago

KPop Demon Hunters Tshirt Kpop Girls Tshirt Saja Boys Kids Clothes Short Sleeve Girls T-Shirts Ages 5 to 12 Years White
- Price
- £8.33
- Rating
- 4.9/5
- Reviews
- 20
- Age
- 5mo ago

KPop Demon Hunters Tshirt K Pop Huntrix Girls T-Shirts Short Sleeve Summer Girls Top 9-10 Years Black
- Price
- £13.93
- Rating
- 4.8/5
- Reviews
- 28
- Age
- 4mo ago
Newest
by launch date
KPop Demon Hunters Tshirt K Pop Huntrix Girls T-Shirts Short Sleeve Summer Girls Top 9-10 Years Black
- Price
- £13.93
- Rating
- 4.8/5
- Reviews
- 28
- Age
- 4mo ago

KPop Demon Hunters Tshirt Kpop Girls Tshirt Saja Boys Kids Clothes Short Sleeve Girls T-Shirts Ages 5 to 12 Years White
- Price
- £8.33
- Rating
- 4.9/5
- Reviews
- 20
- Age
- 5mo ago

Kpop Hunters Style Saja Boys Demon Purple Patterns Fake Tattoos
- Price
- £9.99
- Rating
- 4.2/5
- Reviews
- 3
- Age
- 6mo ago

Hoodie Kids Boys Kpop Costume- Fasion Pullover Anime Hoodie Kids Costume Hip Hop Streetwear Causal School Warm Oversized Long Sleeve Cartoon Print Hooded Sweatshirt Outwear Saj Merch Unisex 9-10Y
- Price
- £11.57
- Rating
- 4.0/5
- Reviews
- 2
- Age
- 6mo ago

Kitimi Jinu Costume Setfor Kid Teen Anime Movie Pop Black Demon Costume with Hat Chains Jewelry Saja Boys Costume Cosplay Outfits for Carnival Christmas Party Stage Dress-Up
- Price
- £35.30
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 7mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 75% of clicks. A locked shelf that new listings rarely crack.
Brands
9
Sellers
15
Est. top-5 brand share
93%
Top 20: 100%
Est. top-5 click share
75%
Top 20: 100%
Open market
5%
- KPop Demon Hunters36%
- Kitimi30%
- Metaparty15%
- GOLDSTITCH7%
- Struts5%
- shyhand2%
- Open — no brand owns it (3 brands, 5%)
Demand
Saja Boys Costume search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Nov · busiest ÷ quietest = 9.6× · 9 of 12 months tracked
Search terms
Top Saja Boys Costume search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- saja boys costume107K/yr
- jinu costume22K/yr
- jinu kpop demon hunters costume47K/yr
- k pop demon hunters costume boys17K/yr
- saja boys costume kids30K/yr
- kpop demon hunters costume boys15K/yr
- jinu costume kids8K/yr
- boys kpop demon hunters costume5K/yr
- kpop demon hunters saja boys costume6K/yr
- saja boys costume adult4K/yr
Reviews and returns
What reviews say buyers love and hate about Saja Boys Costume
We read the reviews and the return reasons for every product selling here.
“it is very very cheap material”
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.
10 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 Saja Boys 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









