---
title: "Jinu Costume Kids — $4K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/jinu-costume-kids"
last_updated: "2026-08-12T17:10:58.718Z"
locale: en
meta:
  description: "Amazon product research for jinu costume kids: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for jinu costume kids: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Jinu Costume Kids — $4K/mo Amazon US Product Research (2026)"
---

# **Jinu Costume Kids**

**Skip it**

Soft demand (-51.4% this quarter) — this niche doesn't clear our bar today.

Market size 12Growth 0Conversion 3Competition 67Returns 22Price range 88Avg price 95Brand share 77Review moat 96Quality gap 60

**Review moat**

**Incredible****81.56**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Incredible****$32.34**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.64–$71.93**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Brand share**

**Great****58%**

top-5 brand share — no brand owns this niche

**Competition**

**Good****45%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Returns**

**Bad****5.8%**

return rate — above 5% kills the launch gate

**Market size**

**Bad****$48K**

$48K/yr · 575K searches

**Conversion**

**Bad****0.3%**

search→purchase rate — share of searches ending in a sale

**Growth**

**Bad****-51.4%**

90-day search growth — must beat 0% to launch

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

## **Is jinu costume kids profitable on Amazon?**

According to Flapen's Amazon United States niche tracking, jinu costume kids is a $48K/yr Amazon United States market (575K searches/yr). The top 5 brands hold 58% of demand. Verdict: Skip it — 42/100.

Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **jinu costume kids market size & sales**

Units sold, revenue, conversion and listing quality across the tracked shelf.

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$97K–$129K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#4,013**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**67%**</dd>

<dt>**Sponsored**</dt><dd>**44%**</dd>

<dt>**Out of stock**</dt><dd>**28.7%**</dd>

<dt>**Avg brand age**</dt><dd>**29 months**</dd>

<dt>**Avg seller age**</dt><dd>**170 days**</dd>

</dl>

## **Competition: brands, sellers & click share**

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**24 **

**Sellers**

**26**

**Top-5 brand share**

**58%**

Top 20: 97%

**Top-5 click share**

**45%**

Top 20: 78%

**Open market**

**34%**

- Eusnady15% - Cosplaysky13% - Auoctey12% - Haocloth10% - BAEHEU8% - Komar Kids8%

## **jinu costume kids demand & seasonality**

Weekly Amazon search volume, last 41 weeks — -51.4% search growth over the last 90 days.

50K30KOct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/jinu-costume-kids/trend)

## **Top jinu costume kids search terms shoppers use**

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

- **jinu costume**159K/yr-27.1%0.5% conv. - **jinu costume kids**291K/yr-82.5%0.4% conv. - **jinu kpop demon hunter costume kids**17K/yr-20.6%0.4% conv. - **disfraz de jinu para nio**4K/yr-17.1%0.0% conv. - **saja boys jinu costume**8K/yr+6.7%0.0% conv. - **jinu costume kids boys**5K/yr-26.5%0.5% conv. - **jinu kids costume**9K/yr-10.0%0.0% conv. - **saja boys costume jinu**7K/yr-25.9%0.0% conv. - **kids jinu costume**9K/yr-39.3%0.0% conv. - **jinu costume boys**8K/yr+6.5%0.8% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/jinu-costume-kids/search-terms)

## **Top jinu costume kids 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%3%$1K6%$3K9%$4K12%$6K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Eusnady Demon Anime Costume Cosplay Teens Outfits for Halloween Christmas](https://m.media-amazon.com/images/I/41KHV0sdgYL.jpg)**Eusnady Demon Anime Costume Cosplay Teens Outfits for Halloween Christmas**Eusnady**$45.72**5.0★6 rev](https://www.amazon.com/dp/B0FX2TMMPD) [2![Cosplaysky Knight Costume Kids Robe Tunic Hooded Uniform Halloween Outfit](https://m.media-amazon.com/images/I/415Fszq7JaL.jpg)**Cosplaysky Knight Costume Kids Robe Tunic Hooded Uniform Halloween Outfit**Cosplaysky**$37.21**4.6★612 rev](https://www.amazon.com/dp/B07JZCT37X) [3![Haocloth Anime Cosplay Costume Coat Black Suit Outfits Shirt Pant Belt Hat Halloween Carnival](https://m.media-amazon.com/images/I/41KbYRhEYhL.jpg)**Haocloth Anime Cosplay Costume Coat Black Suit Outfits Shirt Pant Belt Hat Halloween Carnival**Haocloth**$46.58**4.6★95 rev](https://www.amazon.com/dp/B0G3PQKST9) [4![Auoctey Mens Boys Jinu Costume Cosplay Costume Pink Blue Shirt T shirt Pants Outfit Party Halloween Suit Men](https://m.media-amazon.com/images/I/311671JRNNL.jpg)**Auoctey Mens Boys Jinu Costume Cosplay Costume Pink Blue Shirt T shirt Pants Outfit Party Halloween Suit Men**Auoctey**$35.71**5.0★2 rev](https://www.amazon.com/dp/B0FJS1PPJR) [5![BAEHEU Adult Cosplay White Shirt Halloween Costume Blue Plaid Short Sleeve Shirt Outfit for Men (White Medium)](https://m.media-amazon.com/images/I/317OKholGgL.jpg)**BAEHEU Adult Cosplay White Shirt Halloween Costume Blue Plaid Short Sleeve Shirt Outfit for Men (White Medium)**BAEHEU**$23.94**4.0★24 rev](https://www.amazon.com/dp/B0FHPRN9LD)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Binbo Saja Boys Jinu Costume Kids Kpop Style Outfit](https://m.media-amazon.com/images/I/51K6mpUzlSL.jpg)**Binbo Saja Boys Jinu Costume Kids Kpop Style Outfit**Binbo**$42.77**4 rev1mo ago](https://www.amazon.com/dp/B0H35VC6YZ) [![ULEMON 9Pcs Boys Black Anime Cosplay Costume Set with Hat Chain Pants & Accessories Pop Idol Stage Performance Outfit for Halloween Party Carnival (120)](https://m.media-amazon.com/images/I/413qfdJv8FL.jpg)**ULEMON 9Pcs Boys Black Anime Cosplay Costume Set with Hat Chain Pants & Accessories Pop Idol Stage Performance Outfit for Halloween Party Carnival (120)**ULEMON**$45.56**5 rev3mo ago](https://www.amazon.com/dp/B0GXFVY7SB) [![Kpop Demon Hunter Kids Onesie Pajamas - Boys Girls Long Zip Up Hooded Blanket Sleeper One Piece Costume - Official License](https://m.media-amazon.com/images/I/41xSompfFfL.jpg)**Kpop Demon Hunter Kids Onesie Pajamas - Boys Girls Long Zip Up Hooded Blanket Sleeper One Piece Costume - Official License**Komar Kids**$30.61**75 rev5mo ago](https://www.amazon.com/dp/B0GNTGY7Y4) [![Haocloth Anime Cosplay Costume Coat Black Suit Outfits Shirt Pant Belt Hat Halloween Carnival](https://m.media-amazon.com/images/I/41KbYRhEYhL.jpg)**Haocloth Anime Cosplay Costume Coat Black Suit Outfits Shirt Pant Belt Hat Halloween Carnival**Haocloth**$46.58**95 rev7mo ago](https://www.amazon.com/dp/B0G3PQKST9) [![Jaugola Men Jinu Saja Costume Wig Anime Demon Boys Cosplay Props Halloween Party Outfit Accessories Merch Black](https://m.media-amazon.com/images/I/41176Ce0YqL.jpg)**Jaugola Men Jinu Saja Costume Wig Anime Demon Boys Cosplay Props Halloween Party Outfit Accessories Merch Black**Jaugola**$9.64**37 rev10mo ago](https://www.amazon.com/dp/B0FRQL4PF7)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![ULEMON 9Pcs Boys Black Anime Cosplay Costume Set with Hat Chain Pants & Accessories Pop Idol Stage Performance Outfit for Halloween Party Carnival (120)](https://m.media-amazon.com/images/I/413qfdJv8FL.jpg)**ULEMON 9Pcs Boys Black Anime Cosplay Costume Set with Hat Chain Pants & Accessories Pop Idol Stage Performance Outfit for Halloween Party Carnival (120)**ULEMON**$45.56**3.8★**▲ 778%**](https://www.amazon.com/dp/B0GXFVY7SB) [![Binbo Saja Boys Jinu Costume Kids Kpop Style Outfit](https://m.media-amazon.com/images/I/51K6mpUzlSL.jpg)**Binbo Saja Boys Jinu Costume Kids Kpop Style Outfit**Binbo**$42.77**4.7★**▲ 765%**](https://www.amazon.com/dp/B0H35VC6YZ) [![Eusnady Demon Anime Costume Cosplay Teens Outfits for Halloween Christmas](https://m.media-amazon.com/images/I/41KHV0sdgYL.jpg)**Eusnady Demon Anime Costume Cosplay Teens Outfits for Halloween Christmas**Eusnady**$44.65**5.0★**▲ 765%**](https://www.amazon.com/dp/B0FX2PWFX6) [![Kpop Demon Hunter Kids Onesie Pajamas - Boys Girls Long Zip Up Hooded Blanket Sleeper One Piece Costume - Official License](https://m.media-amazon.com/images/I/41xSompfFfL.jpg)**Kpop Demon Hunter Kids Onesie Pajamas - Boys Girls Long Zip Up Hooded Blanket Sleeper One Piece Costume - Official License**Komar Kids**$30.61**4.8★**▲ 752%**](https://www.amazon.com/dp/B0GNTGY7Y4) [![Jinu Black Stage Performance Outfit Cosplay Costume Uniform Coat Custom Made Props Anime W5213 (style 2 L)](https://m.media-amazon.com/images/I/31cA0x2MZGL.jpg)**Jinu Black Stage Performance Outfit Cosplay Costume Uniform Coat Custom Made Props Anime W5213 (style 2 L)**YXIDLMCOS**$28.44**0.0★**▲ 743%**](https://www.amazon.com/dp/B0FRS7SXQ4)

**~~View all trending →~~**

## **What reviews say buyers love and hate about jinu costume kids**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**13%

*“Fits great”*

**Quality-Overall**13%

*“Its really beautifully made”*

**Ease Of Application**9%

*“Easy application”*

**Soft Feel**8%

*“Super soft”*

**Ease Of Use**6%

*“Easy to use”*

**Design-Overall**6%

*“Cool designs”*

**Color**4%

*“The color was very bright”*

**Brightness/Shine/Glow**4%

*“These look great and really glow”*

**Durability**4%

*“Lasted several days and were vibrant and had great graphics”*

**Comfort-Overall**3%

*“Cool and Comfortable”*

### **What buyers complain about **

**Size-Overall**18%

*“It runs small”*

**Ease Of Use**11%

*“Hard to Remove”*

**Value For Money**8%

*“A bit expensive”*

**Brightness/Shine/Glow**6%

*“Doesn't glow as much as I'd like then to”*

**Durability**6%

*“Broke after one day”*

**Material Quality**5%

*“Thin material”*

**Functionality-Overall**4%

*“Did not work”*

**Allergies**4%

*“irritated the skin slightly where they were applied”*

**Color**4%

*“Color is a little faded”*

**Thickness**3%

*“thin”*

### **Top return reasons **

**Size-Overall**62%

**Advertised Vs Actual Product**6%

**Length**5%

**Material Quality**4%

**Sleeve Fit**3%

**Quality-Overall**2%

**Wig/Artificial Hair Quality**2%

**Chest Fit**2%

**Adhesion/Stickiness**2%

**Functionality-Overall**1%

## **Common jinu costume kids questions**

<dl>

<dt>**Is jinu costume kids profitable to sell on Amazon United States?**</dt><dd>The niche generates $48K/yr across 45 tracked products. 3 of 34 products launched in the last 360 days are still selling. 90-day search growth is -51.4%. Flapen's verdict: Skip it (42/100).</dd>

<dt>**How competitive is the jinu costume kids niche?**</dt><dd>24 brands and 26 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 58% of demand.</dd>

<dt>**What do buyers complain about in jinu costume kids?**</dt><dd>Top complaints mined from reviews: Size-Overall, Ease Of Use, Value For Money. The return rate is 5.8% — above our launch gate.</dd>

<dt>**What does it cost to enter the jinu costume kids niche?**</dt><dd>Listings span $9.64–$71.93; the average listing price is $32.34 (sweet spot $15–$100). The average incumbent carries 82 reviews — the moat a new listing must climb.</dd>

</dl>

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