---
title: "Kpop Costume — $126K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/kpop-costume"
last_updated: "2026-08-12T14:53:53.569Z"
locale: en
meta:
description: "Amazon product research for kpop costume: $126K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for kpop costume: $126K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Kpop Costume — $126K/mo Amazon US Product Research (2026)"
---
# **Kpop Costume**
**Worth a look**
Shows a sweet-spot price point ($33.70 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 86Growth 8Conversion 5Competition 67Returns 51Price range 85Avg price 95Brand share 70Review moat 85Quality gap 76
**Avg price**
**Incredible****$33.70**
avg listing price — sweet spot $15–$100
**Market size**
**Great****$1.5M**
$1.5M/yr · 10.9M searches
**Review moat**
**Great****292.62**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$6.87–$74.78**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****45%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Good****3.0%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-34.5%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
## **Is kpop costume profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, kpop costume is a $1.5M/yr Amazon United States market (10.9M searches/yr). The top 5 brands hold 63% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **kpop costume market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **40K–50K**
- avg 250–500/product
- **Revenue / yr**
- **$1.3M–$1.7M**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#2,001**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **76%**
- **Out of stock**
- **30.8%**
- **Avg brand age**
- **15 months**
- **Avg seller age**
- **162 days**
## **Competition: brands, sellers & click share**
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **▲rising
**Sellers**
**26**
**Top-5 brand share**
**63%**
Top 20: 99%
**Top-5 click share**
**45%**
Top 20: 82%
**Open market**
**32%**
- KPop Demon Hunters28% - Lgandpg16% - Komar Kids8% - Get Trend6% - KSISUSH5% - Vagilelf5%
## **kpop costume demand & seasonality**
Weekly Amazon search volume, last 45 weeks — -34.5% search growth over the last 90 days.
1.3M750KSpike '25Aug '25Oct '25Dec '25Jan '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/kpop-costume/trend)
## **Top kpop costume search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **kpop demon hunters costume**5.7M/yr-40.9%0.4% conv. - **k pop demon hunters costume**1.9M/yr-26.5%0.4% conv. - **kpop demon hunters costume kids**566K/yr-10.4%0.1% conv. - **demon hunters costume**105K/yr+138.7%0.2% conv. - **kpop costume**272K/yr-25.1%0.2% conv. - **k-pop demon hunters costume**197K/yr-5.6%0.2% conv. - **kpop demon hunter costume**539K/yr-44.2%0.3% conv. - **k pop demon hunters costume kids**305K/yr-50.4%0.3% conv. - **demon hunter costume**175K/yr-27.3%0.3% conv. - **kpop demon hunters costume adult**171K/yr-23.6%0.1% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/kpop-costume/search-terms)
## **Top kpop costume products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$60K8%$121K12%$181K16%$242K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**KPop Demon Hunters Officially Licensed 2-Pc Pajamas Set Girls 514 Yrs Soft PJs Lounge Set T Shirt Shorts Gifts for Girls (7-8 Years Black Huntrix)**KPop Demon Hunters**$28.52**4.5★1,001 rev](https://www.amazon.com/dp/B0FWCZ3HPT) [2**Lgandpg Kids Costume for Girls Pop Singers Fancy Dress Halloween Outfits Include T-Shirt Pants Blue**Lgandpg**$41.87**4.2★128 rev](https://www.amazon.com/dp/B0FNRGVHYN) [3**KPop Demon Hunters Officially Licensed 2-Pc Pajamas Set Girls 514 Yrs Soft PJs Lounge Set T Shirt Shorts Gifts for Girls (9-10 Years Black Huntrix)**KPop Demon Hunters**$26.82**4.5★1,001 rev](https://www.amazon.com/dp/B0FWD1X5QJ) [4**Kpop Demon Hunter Kids Onesie Pajamas - Boys Girls Long Zip Up Hooded Blanket Sleeper One Piece Costume - Official License**Komar Kids**$30.56**4.8★71 rev](https://www.amazon.com/dp/B0GNTGY7Y4) [5**Vagilelf 50 Pieces K-Style Demon Mark Tattoos for Theme Party Decorations 2 Sheets Dark Concept Makeup Stickers Mystic Hunter Symbols for Anime Cosplay K-Pop Stage Look Party Accessories**Vagilelf**$6.87**4.6★466 rev](https://www.amazon.com/dp/B0FVYGZ255)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**M.Zibos Girls Costume Set for Mira Kpop Black Gold Stage Outfit Set Performance Crops-110**M.Zibos**$27.56**15 rev3mo ago](https://www.amazon.com/dp/B0GWHX43F7) [**W.Sealet Girls Swimsuits Two Piece Kpop Tankini Sets Bathing Suit Costume Swimwear-Gold 140**W.Sealet**$24.91**7 rev3mo ago](https://www.amazon.com/dp/B0GVN7TSCJ) [**Kpop Demon Hunter Kids Onesie Pajamas - Boys Girls Long Zip Up Hooded Blanket Sleeper One Piece Costume - Official License**Komar Kids**$30.56**71 rev4mo ago](https://www.amazon.com/dp/B0GNTGY7Y4) [**Kpop Demon Hunter Kids Onesie Pajamas - Boys Girls Long Zip Up Hooded Blanket Sleeper One Piece Costume - Official License**Komar Kids**$32.39**71 rev4mo ago](https://www.amazon.com/dp/B0GNTWCQNS) [**Get Trend KPop Demon Hunters Girls Pajamas Officially Licensed 3-Piece Huntrix PJs Set with Pants & Shorts Satin Nightwear (5-6 Years Black AOP)**Get Trend**$34.82**84 rev5mo ago](https://www.amazon.com/dp/B0GH88PCQR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**M.Zibos Girls Costume Set for Mira Kpop Black Gold Stage Outfit Set Performance Crops-110**M.Zibos**$27.56**3.6★**▲ 112%**](https://www.amazon.com/dp/B0GWHX43F7) [**W.Sealet Girls Swimsuits Two Piece Kpop Tankini Sets Bathing Suit Costume Swimwear-Gold 140**W.Sealet**$24.91**3.8★**▲ 111%**](https://www.amazon.com/dp/B0GVN7TSCJ) [**Get Trend KPop Demon Hunters Girls Pajamas Officially Licensed 3-Piece Huntrix PJs Set with Pants & Shorts Satin Nightwear (5-6 Years Black AOP)**Get Trend**$34.82**4.4★**▲ 111%**](https://www.amazon.com/dp/B0GH88PCQR) [**Disguise K-Pop Demon Hunters Mira Costume Official Halloween Jumpsuit Skirt and Necklace Outfit Kids Size (10-12)**Disguise**$38.18**5.0★**▲ 110%**](https://www.amazon.com/dp/B07KXNDLCP) [**Naeviwth Girls Singer Costume for Kids Fancy Outfit Halloween Set 3PCS Black**Naeviwth**$46.24**3.4★**▲ 110%**](https://www.amazon.com/dp/B0FTFBFVGR)
**~~View all trending →~~**
## **What reviews say buyers love and hate about kpop costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**19%
*“Fits good”*
**Quality-Overall**17%
*“Good quality”*
**Durability**6%
*“Its durable for sure”*
**Ease Of Use**6%
*“Easy to use”*
**Comfort-Overall**4%
*“Very comfortable”*
**Advertised Vs Actual Product**4%
*“As expected”*
**Color**4%
*“The color was very bright”*
**Soft Feel**4%
*“Super soft”*
**Design-Overall**3%
*“styled nicely which saves us from buying one separately”*
**Material Quality**3%
*“I liked that the material feels comfortable and not cheap, and the details look really nice in person”*
### **What buyers complain about **
**Size-Overall**16%
*“Too small”*
**Quality-Overall**11%
*“Horrible quality control”*
**Print Quality**8%
*“Awful print job”*
**Color**7%
*“Shorts faded”*
**Value For Money**5%
*“Not worth the price you pay”*
**Ease Of Use**5%
*“Hard to Remove”*
**Durability**3%
*“broke very easily”*
**Material Quality**3%
*“the material is a little cheap and itchy”*
**Advertised Vs Actual Product**2%
*“Misleading”*
**Thickness**2%
*“so thin for the price the material could have been a lot better”*
### **Top return reasons **
**Size-Overall**56%
**Advertised Vs Actual Product**7%
**Material Quality**5%
**Length**4%
**Quality-Overall**4%
**Color**3%
**Value For Money**2%
**Print Quality**2%
**Defective Material/Parts**1%
**Sleeve Fit**1%
## **Common kpop costume questions**
- **Is kpop costume profitable to sell on Amazon United States?**
- The niche generates $1.5M/yr across 37 tracked products. 23 of 35 products launched in the last 360 days are still selling. 90-day search growth is -34.5%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the kpop costume niche?**
- 21 brands and 26 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 63% of demand.
- **What do buyers complain about in kpop costume?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Print Quality. The return rate is 3.0%.
- **What does it cost to enter the kpop costume niche?**
- Listings span $6.87–$74.78; the average listing price is $33.70 (sweet spot $15–$100). The average incumbent carries 293 reviews — the moat a new listing must climb.
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