Detective Costume
MaybeProducts sell for $23.79 on average, inside the sweet spot. But an estimated 8.4% of orders come back, so Detective Costume is a Maybe.
- Flapen Score
- 55 / 100Top 14% of 16,930 Clothing, Shoes & Jewelry niches · +10 vs the category median of 4555
- Market size
- $289K/yr389K searches / yr
- 90-day growth
- -22.6%search demand this quarter
- Competition
- 34%top-5 click share · 41 brands · 59 sellers
Flapen Score
Detective Costume against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Detective Costume is stronger. Inside it, weaker.
Market
The Detective Costume market on Amazon at a glance
Shoppers on Amazon United States searched for Detective Costume 389K times last year and spent an estimated $289K. The top 5 brands take 41% of clicks. Demand peaks in Oct–Nov. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 3.1% of those searches ended in a purchase.
Shoppers searched for this 389K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.1% of those searches ended in a purchase. Searches in the last 90 days moved -22.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $289K a year.
- Searches, last 12 months
- 389K
- Growth, 90 days vs prior 90
- -22.6%
- Conversion, latest week
- 3.1%
- Market size, estimated
- $289Ka year
- Peak month
- October8.9× the quietest month
- Top search term
- detective costume105K searches a year
02 · Price
A sale here is worth $23.79.
Listings sell for $23.79 on average, from $9.01 to $58.04. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 100 to 250 of them. At $23.79 that is $2K to $6K a year per listing.
- Average price
- $23.79inside the $15 to $100 sweet spot
- Price range
- $9.01–$58.04
- 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
- 8.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
81% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 10.2% of listings are out of stock. The average listing ranks #5,359 within Accessories. It carries 472 reviews at 4.40 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 81%
- Prime listings
- 92%
- Out of stock, average day
- 10.2%
- Average rank
- #5,359in Accessories
- Average rating
- 4.40 starsAmazon United States average 4.42 stars
- Average reviews
- 472per listing
- Listings tracked
- 63
04 · Newcomers
0 of last year's 7 launches cleared the first-year sales bar.
7 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 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 7
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top Detective 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 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
wevgbv Detective Costume 11pc Accessories Set Detective Hat Dress up Costume for Adults Men Women Halloween Spy Costumes
- Price
- $20.94
- Rating
- 4.6/5
- Reviews
- 59
- Age
- 1y ago

Colorful House Cloak Medieval Detective Cosplay Costume Short Cape for Adult Men and Women Role Play(Khaki 25.59)
- Price
- $29.53
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1y ago

HOVEOX Detective Costume Accessories Set Detective Costume Hat Prop Halloween Costumes
- Price
- $13.90
- Rating
- 4.6/5
- Reviews
- 157
- Age
- 3y ago

Adults Sherlock Holmes Hat & Poncho Costume Kit Classic Detective Outfit Standard
- Price
- $31.16
- Rating
- 4.8/5
- Reviews
- 8
- Age
- 2y ago

GVVJYXD Detective Costume Accessories Set Outfit Accessories For Adults Women Men with Detective Hat for Dress Up
- Price
- $16.80
- Rating
- 3.0/5
- Reviews
- 6
- Age
- 1y ago
Trending
estimated 90-day click momentum
UTTPLL Men-Cotton-Gatsby-Newsboy-Driving Caps Soft Classic Irish Hats Golf Beret Flat Hat Cabbie Hunting Cap Halloween Christms Brown
- Price
- $9.01
- Rating
- 4.5/5
- Reviews
- 433
- Age
- 1y ago

GAKSK Detective Costume Accessories Set 10 PCS Detective Hat Halloween Cosplay Men Women Dress up Prop Adults Spy Outfit
- Price
- $18.59
- Rating
- 4.8/5
- Reviews
- 7
- Age
- 3mo ago

Adults Detective Costume Mens Womens Victorian Outfit Inverness Cape Deerstalker Hat for Halloween Cosplay Lace S
- Price
- $28.32
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

RUEGGVAT 14 PCS Adult Detective Costume Accessories Set Classic Sleuth Spy Kit with Deerstalker Hat Magnifying Glass Bow Tie Pocket Watch Mustache & Gloves for Halloween Cosplay Mystery Party
- Price
- $18.92
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 3mo ago

Colorful House Cloak Medieval Detective Cosplay Costume Short Cape for Adult Men and Women Role Play(Khaki 25.59)
- Price
- $29.53
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1y ago
Newest
by launch date
GAKSK Detective Costume Accessories Set 10 PCS Detective Hat Halloween Cosplay Men Women Dress up Prop Adults Spy Outfit
- Price
- $18.59
- Rating
- 4.8/5
- Reviews
- 7
- Age
- 3mo ago

RUEGGVAT 14 PCS Adult Detective Costume Accessories Set Classic Sleuth Spy Kit with Deerstalker Hat Magnifying Glass Bow Tie Pocket Watch Mustache & Gloves for Halloween Cosplay Mystery Party
- Price
- $18.92
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 3mo ago

Adults Detective Costume Mens Womens Victorian Outfit Inverness Cape Deerstalker Hat for Halloween Cosplay Lace S
- Price
- $28.32
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

Xerteam Detective Costume 20s Detective Costume Adults Hat Suspenders Tie Magnifying Glasses Mustache Detective Cosplay Halloween (style 1)
- Price
- $17.07
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 9mo ago

ERDOGLY Detective Hat Detective Costume Accessories for Women & Men Cosplay Hat for Halloween Party Dress Up Brown
- Price
- $16.52
- Rating
- 4.6/5
- Reviews
- 32
- Age
- 1y ago
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.
Brands
41 rising
Sellers
59
Est. top-5 brand share
41%
Top 20: 82%
Est. top-5 click share
34%
Top 20: 67%
Open market
54%
- HOVEOX11%
- wevgbv9%
- Colorful House8%
- Fun Costumes7%
- ERDOGLY6%
- GVVJYXD5%
Demand
Detective Costume search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov · busiest ÷ quietest = 8.9×
Search terms
Top Detective Costume search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- detective costume105K/yr
- detective hat47K/yr
- sherlock holmes costume61K/yr
- sherlock holmes hat34K/yr
- detective costume kids27K/yr
- detective costume women27K/yr
- kids detective costume11K/yr
- detective props6K/yr
- detective accessories8K/yr
- detective outfit5K/yr
Reviews and returns
What reviews say buyers love and hate about Detective Costume
We read the reviews and the return reasons for every product selling here.
“it was HUGE”
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.
17 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 Detective 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









