---
title: "rumi golden costume kids — Niche Verdict: Worth a look (58/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/rumi-golden-costume-kids"
last_updated: "2026-07-14T03:55:40.431Z"
locale: en
meta:
  description: "rumi golden costume kids shows a sweet-spot price point ($36.51 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "rumi golden costume kids shows a sweet-spot price point ($36.51 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "rumi golden costume kids — Niche Verdict: Worth a look (58/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **rumi golden costume kids**

**Worth a look**

Shows a sweet-spot price point ($36.51 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 50Growth 12Conversion 14Competition 89Returns 24Price range 84Avg price 95Brand share 81Review moat 94Quality gap 92

**Avg price**

**Incredible****$36.51**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****110.11**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Great****4.0★**

avg incumbent rating — lower means beatable quality

**Competition**

**Great****26%**

top-5 click share — an open shelf

**Price range**

**Great****$9.54–$107.45**

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

**Brand share**

**Great****54%**

top-5 brand share — no brand owns this niche

**Market size**

**Good****$281K**

$281K/yr · 687K searches

**Returns**

**Bad****6.1%**

return rate — above 6% kills the launch gate

**Conversion**

**Bad****1.1%**

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

**Growth**

**Bad****-25.4%**

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

## **Competition**

Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.

**Brands**

**37 **

**Sellers**

**43**

**Top-5 brand share**

**54%**

**Open market**

**41%**

- WYYXXT25% - AOVCLKID13% - FENGLONG-YB7% - Binbo6% - Lgandpg5% - Coolproud5%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%2%$6K4%$11K6%$17K8%$22K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)4 products missing review or click data not plotted

All 88 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![WYYXXT Girls Rumi Princess Cartoon Daily Dress Halloween Birthday Party Pop Outfits(4-5T Yellow)](https://m.media-amazon.com/images/I/41VhFz7z3mL.jpg)**WYYXXT Girls Rumi Princess Cartoon Daily Dress Halloween Birthday Party Pop Outfits(4-5T Yellow)**WYYXXT**$23.54**4.2★3 rev](https://www.amazon.com/dp/B0GPM4WDL2) [2![WYYXXT 2Pcs Girls Rumi Princess Loose Comfortable Home Wear Dress 5-6 Years Multicolor](https://m.media-amazon.com/images/I/51Tdu6+jI3L.jpg)**WYYXXT 2Pcs Girls Rumi Princess Loose Comfortable Home Wear Dress 5-6 Years Multicolor**WYYXXT**$24.05**5.0★3 rev](https://www.amazon.com/dp/B0GFP3QHFJ) [3![AOVCLKID Girls Princess Rumi Cartoon Print Flutter Sleeves Dress(4-5 Years Yellow)](https://m.media-amazon.com/images/I/41DeuOgObYL.jpg)**AOVCLKID Girls Princess Rumi Cartoon Print Flutter Sleeves Dress(4-5 Years Yellow)**AOVCLKID**$19.50**5.0★4 rev](https://www.amazon.com/dp/B0GPCYD2PF) [4![WYYXXT Girls Rumi Princess Cartoon Daily Dress Halloween Birthday Party Outfits(6-7 Years Yellow)](https://m.media-amazon.com/images/I/41VhFz7z3mL.jpg)**WYYXXT Girls Rumi Princess Cartoon Daily Dress Halloween Birthday Party Outfits(6-7 Years Yellow)**WYYXXT**$23.14**4.2★3 rev](https://www.amazon.com/dp/B0GWXYMX6F) [5![Rumi Costume Kids Girls Kpop Halloween Cosplay 3-4Y](https://m.media-amazon.com/images/I/31IMSrvsyAL.jpg)**Rumi Costume Kids Girls Kpop Halloween Cosplay 3-4Y**Coolproud**$47.30**4.4★18 rev](https://www.amazon.com/dp/B0FS7BYKYP)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![QZVUPA Girls Stage Costume Black Halloween Costume for Kids Birthday Cosplay Party Dress Up](https://m.media-amazon.com/images/I/41RSB1gHoQL.jpg)**QZVUPA Girls Stage Costume Black Halloween Costume for Kids Birthday Cosplay Party Dress Up**QZVUPA**$28.08**11 rev1mo ago](https://www.amazon.com/dp/B0GXWFYK1H) [![WYYXXT Girls Rumi Princess Short T-Shirt Skirt Set Halloween Birthday Party Pop Outfits 6-7 Years Yellow](https://m.media-amazon.com/images/I/41gboJWuQ1L.jpg)**WYYXXT Girls Rumi Princess Short T-Shirt Skirt Set Halloween Birthday Party Pop Outfits 6-7 Years Yellow**WYYXXT**$20.85**0 rev1mo ago](https://www.amazon.com/dp/B0H3FGF11L) [![WYYXXT Girls Rumi Princess Short T-Shirt Skirt Set Halloween Birthday Party Pop Outfits 4-5 Years Yellow](https://m.media-amazon.com/images/I/41gboJWuQ1L.jpg)**WYYXXT Girls Rumi Princess Short T-Shirt Skirt Set Halloween Birthday Party Pop Outfits 4-5 Years Yellow**WYYXXT**$21.56**0 rev1mo ago](https://www.amazon.com/dp/B0H3FQX9GF) [![Taiminan Costume for Girls 3PCS Star Costume for Kids Halloween Party School Stage Cosplay Dress Up](https://m.media-amazon.com/images/I/418QZbKgvNL.jpg)**Taiminan Costume for Girls 3PCS Star Costume for Kids Halloween Party School Stage Cosplay Dress Up**Taiminan**$29.68**5 rev1mo ago](https://www.amazon.com/dp/B0GVJCLYT7) [![WYYXXT 2Pcs Girls Rumi Princess Loose Comfortable Home Wear Dress 6-7 Years Gold/Yellow](https://m.media-amazon.com/images/I/51hhnWUNLlL.jpg)**WYYXXT 2Pcs Girls Rumi Princess Loose Comfortable Home Wear Dress 6-7 Years Gold/Yellow**WYYXXT**$23.13**0 rev1mo ago](https://www.amazon.com/dp/B0H2LHN2DJ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![QZVUPA Girls Stage Costume Black Halloween Costume for Kids Birthday Cosplay Party Dress Up](https://m.media-amazon.com/images/I/41RSB1gHoQL.jpg)**QZVUPA Girls Stage Costume Black Halloween Costume for Kids Birthday Cosplay Party Dress Up**QZVUPA**$28.08**4.3★**▲ 133%**](https://www.amazon.com/dp/B0GXWFYK1H) [![LvmiuoAve Girls Cosplay Costume Top and Pants Set for Cosplay Events and Parties (Black 9-10Years)](https://m.media-amazon.com/images/I/41bRySFpYHL.jpg)**LvmiuoAve Girls Cosplay Costume Top and Pants Set for Cosplay Events and Parties (Black 9-10Years)**LvmiuoAve**$37.67**3.8★**▲ 133%**](https://www.amazon.com/dp/B0GWWMN17R) [![WYYXXT 2Pcs Girls Rumi Princess Loose Comfortable Home Wear Dress 6-7 Years Gold/Yellow](https://m.media-amazon.com/images/I/51hhnWUNLlL.jpg)**WYYXXT 2Pcs Girls Rumi Princess Loose Comfortable Home Wear Dress 6-7 Years Gold/Yellow**WYYXXT**$23.13**0.0★**▲ 129%**](https://www.amazon.com/dp/B0H2LHN2DJ) [![XYBWYY Girls Rumi Princess Cartoon Dress Halloween Birthday Party Outfits(4-5 Years Yellow)](https://m.media-amazon.com/images/I/41DeuOgObYL.jpg)**XYBWYY Girls Rumi Princess Cartoon Dress Halloween Birthday Party Outfits(4-5 Years Yellow)**XYBWYY**$20.87**4.3★**▲ 129%**](https://www.amazon.com/dp/B0GSQ2FQ5P) [![Taiminan Costume for Girls 3PCS Star Costume for Kids Halloween Party School Stage Cosplay Dress Up](https://m.media-amazon.com/images/I/418QZbKgvNL.jpg)**Taiminan Costume for Girls 3PCS Star Costume for Kids Halloween Party School Stage Cosplay Dress Up**Taiminan**$29.68**4.8★**▲ 129%**](https://www.amazon.com/dp/B0GVJCLYT7)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 36 weeks — -25.4% search growth over the last 90 days.

30K20KHoliday '25Nov '25Dec '25Jan '26Mar '26Apr '26May '26

## **Reviews**

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

### **What buyers love **

**Size-Overall**18%

*“so the size chart is accurate”*

**Quality-Overall**17%

*“Decent quality shirt”*

**Color**6%

*“Color was accurate”*

**Advertised Vs Actual Product**5%

*“Looks just like the pictures”*

**Soft Feel**5%

*“The material feel soft and smooth”*

**Value For Money**4%

*“Worth it”*

**Ease Of Use**3%

*“Ease to use”*

**Gifting Purpose**3%

*“Gift”*

**Durability**2%

*“seems to be pretty durable”*

**Material Quality**2%

*“Soft material”*

### **What buyers complain about **

**Quality-Overall**21%

*“Bad quality”*

**Durability**19%

*“its already cracking”*

**Size-Overall**14%

*“Runs extremely large”*

**Value For Money**5%

*“it is extremely expensive”*

**Material Quality**3%

*“Cheap material”*

**Color**3%

*“the shirt was a different black”*

**Print Quality**3%

*“Poor quality print”*

**Smell**3%

*“Smell is so awful”*

**Strength**2%

*“is fragile”*

**Product Condition**2%

*“also that this was resold it was for a birthday party this weekend so gross especially when purchased as a new item for it came with no tags just in a plastic bag”*

### **Top return reasons **

**Size-Overall**49%

**Quality-Overall**7%

**Advertised Vs Actual Product**5%

**Defective Material/Parts**5%

**Material Quality**4%

**Durability**3%

**Color**2%

**Suitability Long Hair**2%

**Length**2%

**Value For Money**2%