Duo Costumes for Best Friends
FailBuyers convert on only 0.1% of searches, so Duo Costumes for Best Friends is a Fail.
- Flapen Score
- 46 / 100Top 46% of 16,930 Clothing, Shoes & Jewelry niches · +1 vs the category median of 4546
- Market size
- $12K/yr547K searches / yr
- 90-day growth
- +13.2%search demand this quarter
- Competition
- 41%top-5 click share · 41 brands · 55 sellers
Flapen Score
Duo Costumes for Best Friends against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Duo Costumes for Best Friends is stronger. Inside it, weaker.
Market
The Duo Costumes for Best Friends market on Amazon at a glance
Shoppers on Amazon United States searched for Duo Costumes for Best Friends 547K times last year and spent an estimated $12K. The top 5 brands take 47% of clicks. Demand peaks in Sep–Oct–Nov. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 0.1% of those searches ended in a purchase.
Shoppers searched for this 547K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.1% of those searches ended in a purchase. Searches in the last 90 days moved +13.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $12K a year.
- Searches, last 12 months
- 547K
- Growth, 90 days vs prior 90
- +13.2%
- Conversion, latest week
- 0.1%
- Market size, estimated
- $12Ka year
- Peak month
- October106.5× the quietest month
- Top search term
- duo costumes138K searches a year
02 · Price
A sale here is worth $32.06.
Listings sell for $32.06 on average, from $8.76 to $96.96. Amazon reports units sold in ranges. This niche sold 750 to 1K a year. The average listing sells 0 to 100 of them. At $32.06 that is $0 to $3K a year per listing.
- Average price
- $32.06inside the $15 to $100 sweet spot
- Price range
- $8.76–$96.96
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 750–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 9.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
69% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 21.7% of listings are out of stock. The average listing ranks #3,195 within Accessory Sets. It carries 419 reviews at 4.41 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 69%
- Prime listings
- 96%
- Out of stock, average day
- 21.7%
- Average rank
- #3,195in Accessory Sets
- Average rating
- 4.41 starsAmazon United States average 4.42 stars
- Average reviews
- 419per listing
- Listings tracked
- 51
04 · Newcomers
1 of last year's 6 launches cleared the first-year sales bar.
6 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 35 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 6
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 35 months
Products
Top Duo Costumes for Best Friends 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.
Top sellers
by estimated 90-day click share
Lianshp Adult Animal and Sea Creature Onesie Pajamas Halloween Cosplay Costume Blue
- Price
- $26.02
- Rating
- 4.4/5
- Reviews
- 204
- Age
- 2y ago

Women Lola #10 Jersey Space Movie Halloween Costumes Cheerleading Top & Shorts Outfit with 4pcs Accessories Crop Outfit Medium
- Price
- $24.88
- Rating
- 4.2/5
- Reviews
- 146
- Age
- 2y ago

Tvnxdgl Grady Twins Costume Women Creepy Twin Sisters Dress Halloween Blue Puff Sleeves Cosplay Dress Daisy Hair Clip Set M
- Price
- $28.62
- Rating
- 4.1/5
- Reviews
- 16
- Age
- 1y ago

Women Lola #10 Jersey Space Movie Halloween Costumes Cheerleading Top & Shorts Outfit with 4pcs Accessories Crop Outfit Large
- Price
- $24.42
- Rating
- 4.2/5
- Reviews
- 146
- Age
- 2y ago

inkArts Shark Blanket Hoodie - Adult Shark Sleeping Bag & Cozy Flannel Hoodie
- Price
- $20.13
- Rating
- 4.2/5
- Reviews
- 4,873
- Age
- 2y ago
Trending
estimated 90-day click momentum
Women Lola #10 Jersey Space Movie Halloween Costumes Cheerleading Top & Shorts Outfit with 4pcs Accessories Crop Outfit Medium
- Price
- $24.88
- Rating
- 4.2/5
- Reviews
- 146
- Age
- 2y ago

DC Comics Robin Glitter Logo Juniors Costume Cosplay Cape T-Shirt Tee Shirt Batman (Large) Red
- Price
- $25.98
- Rating
- 3.6/5
- Reviews
- 214
- Age
- 3y ago

Tvnxdgl Grady Twins Costume Women Creepy Twin Sisters Dress Halloween Blue Puff Sleeves Cosplay Dress Daisy Hair Clip Set M
- Price
- $28.62
- Rating
- 4.1/5
- Reviews
- 16
- Age
- 1y ago

Lianshp Adult Animal and Sea Creature Onesie Pajamas Halloween Cosplay Costume Blue
- Price
- $26.02
- Rating
- 4.4/5
- Reviews
- 204
- Age
- 2y ago

FancyFun 3 Pcs Referee Shirt Costume Referee Costume Women Men V-Neck Ref Umpire Shirt for Soccer Football Player L
- Price
- $12.50
- Rating
- 4.5/5
- Reviews
- 242
- Age
- 2y ago
Newest
by launch date
6PCS Men Characters Costumes in Talladega Nights Blue Short Sleeve Shirt with Sunglasses Hat Gloves Props Cosplay Set Car Driver Sports for Halloween Cosplay Party Full Suit Set
- Price
- $26.08
- Rating
- 4.1/5
- Reviews
- 56
- Age
- 11mo ago

DAHAKII Funny 2-Person Inflatable Alpaca Costume Dual Person Team-Building Blow Up Suit/Outfit for Adults/Halloween/Cosplay/Mardi Gras
- Price
- $35.52
- Rating
- 4.7/5
- Reviews
- 16
- Age
- 12mo ago

Adult Traffic Light Costume Tunic for Men and Women | Funny Halloween Party Outfit for Costume Events or Parades Standard
- Price
- $60.79
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 1y ago

Tvnxdgl Grady Twins Costume Women Creepy Twin Sisters Dress Halloween Blue Puff Sleeves Cosplay Dress Daisy Hair Clip Set M
- Price
- $28.62
- Rating
- 4.1/5
- Reviews
- 16
- Age
- 1y ago

QRT Super Bros Costume Kit with Hat Mustaches Suspenders Gloves Buttons ang Glasses frame for Halloween Cosplay and Christmas (red&green)
- Price
- $22.71
- Rating
- 4.5/5
- Reviews
- 140
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 41% of clicks. Leaders hold, but buyers still shop past them.
Brands
41 rising
Sellers
55
Est. top-5 brand share
47%
Top 20: 82%
Est. top-5 click share
41%
Top 20: 74%
Open market
49%
- DORISUBE18%
- Lianshp10%
- Tvnxdgl8%
- inkArts5%
- YOKVAN5%
- PIIDUOO4%
Demand
Duo Costumes for Best Friends search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 106.5×
Search terms
Top Duo Costumes for Best Friends search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- duo costumes138K/yr
- dynamic duo costumes22K/yr
- twin costumes for adults20K/yr
- duo halloween costumes61K/yr
- duo costume24K/yr
- matching costumes for best friends15K/yr
- best friend halloween costumes27K/yr
- halloween costumes duo16K/yr
- halloween duo costumes10K/yr
- duo halloween costumes for best friends27K/yr
Reviews and returns
What reviews say buyers love and hate about Duo Costumes for Best Friends
We read the reviews and the return reasons for every product selling here.
“Too small”
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 Duo Costumes for Best Friends 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









