---
title: "Uma Costume — $5K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/uma-costume"
last_updated: "2026-08-09T14:48:56.916Z"
locale: en
meta:
description: "Niche score 28/100 · $5K/yr market · 153K searches/yr · $34.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 28/100 · $5K/yr market · 153K searches/yr · $34.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Uma Costume — $5K/yr Amazon US Niche (2026) - Flapen"
---
# **uma costume**
**Skip it**
A small market ($5K/yr) — this niche doesn't clear our bar today.
Market size 1Growth 15Conversion 1Competition 52Returns 6Price range 75Avg price 95Brand share 28Review moat 54Quality gap 28
**Avg price**
**Incredible****$34.24**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.58–$122.59**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,358.48**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-19.1%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****10.4%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$5K**
$5K/yr · 153K searches
**Conversion**
**Bad****0.1%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, uma costume is a $5K/yr Amazon United States market (153K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 28/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **uma costume market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$17K–$26K**
- units × avg price
- **Conversion rate**
- **0.1%**
- **Avg BSR**
- **#164,811**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **43%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▲rising
**Sellers**
**57**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 99%
**Open market**
**8%**
- Disguise56% - Spirit Halloween10% - ShirtScope9% - Leather Jacketz8% - Aotekids5% - JYKSDTUWS4% - Open — no brand owns it (4 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -19.1% search growth over the last 90 days.
23K18KPrime Day '24Spike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct · busiest ÷ quietest = 8.0×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/uma-costume/trend)
## **Top uma costume search terms**
- **uma**108K/yr-21.3%0.0% conv. - **uma descendants costume**15K/yr+0.8%0.8% conv. - **uma costume descendants**3K/yr+50.5%0.5% conv. - **uma costume descendants 2**2K/yr+81.2%0.0% conv. - **descendants uma costume**3K/yr+17.5%0.0% conv. - **uma descendants costume kids**1K/yr+100.0%0.9% conv. - **uma halloween costume descendants**2K/yr+37.9%0.0% conv. - **uma costume for girls descendants**19K/yr-97.9%0.0% conv. - **uma costume descendants 4**94/yr-38.9%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/uma-costume/search-terms)
## **Top uma costume products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$52520%$1K30%$2K40%$2K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Disney Descendants Uma Costume Officially Licensed Descendants 3 Deluxe Girls Halloween Dress Up Outfit (10-12)**Disguise**$37.07**4.6★1,194 rev](https://www.amazon.com/dp/B07NDZWK5M) [2**ShirtScope I Love Uma T Shirt I Heart Uma Tee Medium Black**ShirtScope**$16.95**5.0★1 rev](https://www.amazon.com/dp/B00L0VWE0C) [3**Disney Descendants Uma Costume Officially Licensed Descendants 3 Deluxe Girls Halloween Dress Up Outfit (7-8)**Disguise**$40.62**4.6★1,194 rev](https://www.amazon.com/dp/B07NF15F1B) [4**Famous Uma Thurmans Yellow Bride Motorcycle Pant - The Bride Yellow Halloween Costume Women Leather Biker Pant**Leather Jacketz**$122.59**4.5★2 rev](https://www.amazon.com/dp/B0CL9P8TZZ) [5**Uma Costume for Girls Official Disney Descendants 3 Classic Outfit Kids Size XL (14-16)**Disguise**$25.84**4.5★1,223 rev](https://www.amazon.com/dp/B07NDZWK5L)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**JYKSDTUWS Halloween Girls Descendants Uma Cosplay Costume Princess Birthday Party Pirate Dress Up Clothes Outfits with Hat (Color-1 9-10 Years)**JYKSDTUWS**$46.46**7 rev1mo ago](https://www.amazon.com/dp/B0H22YR37G) [**JYKSDTUWS Halloween Girls Descendants Uma Cosplay Costume Princess Birthday Party Pirate Dress Up Clothes Outfits with Hat (Color-1 7-8 Years)**JYKSDTUWS**$46.59**7 rev1mo ago](https://www.amazon.com/dp/B0H22BFP7Z) [**JYKSDTUWS Cute Descendants Bathing Suit for Girls 4-10 Years Princess 2 Pieces Swimsuits Cartoon Printed Swimwear Bikini Sets (US Age 9 Years Color-A1)**JYKSDTUWS**$18.85**19 rev1y ago](https://www.amazon.com/dp/B0F3W6LFWZ) [**Spirit Halloween Descendants 3 Kids Uma Costume | Officially Licensed | Disney | Uma Outfit**Spirit Halloween**$42.40**9 rev1y ago](https://www.amazon.com/dp/B0DC5XHW6X) [**Spirit Halloween Descendants 3 Kids Uma Costume | Officially Licensed | Disney | Uma Outfit**Spirit Halloween**$44.57**9 rev1y ago](https://www.amazon.com/dp/B0DC5X92S7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Disguise Uma Deluxe Descendants 2 Costume Teal Large (10-12)**Disguise**$30.99**4.6★**▲ 1000%**](https://www.amazon.com/dp/B01MTF9FSG) [**JYKSDTUWS Halloween Girls Descendants Uma Cosplay Costume Princess Birthday Party Pirate Dress Up Clothes Outfits with Hat (Color-1 7-8 Years)**JYKSDTUWS**$46.59**4.8★**▲ 1000%**](https://www.amazon.com/dp/B0H22BFP7Z) [**Famous Uma Thurmans Yellow Bride Motorcycle Pant - The Bride Yellow Halloween Costume Women Leather Biker Pant**Leather Jacketz**$122.59**4.5★**▲ 1000%**](https://www.amazon.com/dp/B0CL9P8TZZ) [**JYKSDTUWS Halloween Girls Descendants Uma Cosplay Costume Princess Birthday Party Pirate Dress Up Clothes Outfits with Hat (Color-1 9-10 Years)**JYKSDTUWS**$46.46**4.8★**▲ 1000%**](https://www.amazon.com/dp/B0H22YR37G) [**ShirtScope I Love Uma T Shirt I Heart Uma Tee Medium Black**ShirtScope**$16.95**5.0★**▲ 1000%**](https://www.amazon.com/dp/B00L0VWE0C)
**~~View all trending →~~**
## **What buyers say about uma costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**39%
*“Cute, fits well”*
**Quality-Overall**19%
*“feels pretty well made”*
**Value For Money**7%
*“Great value for the price”*
**Design-Overall**6%
*“The design is bright, colorful, and very recognizable for fans of costume play or themed parties”*
**Comfort-Overall**6%
*“Its comfortable enough for kids to wear for parties or Halloween night without being too heavy or restrictive”*
**Color**5%
*“This pirate costume is so bright and colorful”*
**Soft Feel**2%
*“It has a soft”*
**Material Quality**2%
*“The fabric is lightweight”*
**Ease Of Use**2%
*“Its easy to move in”*
**Shape/Style**2%
*“which helps bring the whole pirate-inspired look together”*
### **What buyers complain about **
**Material Quality**33%
*“Material was a bit thin”*
**Thickness**19%
*“Its a little on the thin side”*
### **Top return reasons **
**Size-Overall**70%
**Quality-Overall**6%
**Material Quality**5%
**Wig/Artificial Hair Quality**5%
**Product Condition**2%
**Shoulder Fit**2%
**Stitch/Finish/Polish**2%
**Advertised Vs Actual Product**2%
**Thin**1%
**Design-Overall**1%
## **Common questions**
- **Is uma costume profitable to sell on Amazon United States?**
- The niche generates $5K/yr across 23 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -19.1%. Flapen's verdict: Skip it (28/100).
- **How competitive is the uma costume niche?**
- 10 brands and 57 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in uma costume?**
- Top complaints mined from reviews: Material Quality, Thickness. The return rate is 10.4% — above our launch gate.
- **When does demand for uma costume peak?**
- Demand peaks in Sep–Oct; the busiest month runs 8.0× the quietest.
- **What does it cost to enter the uma costume niche?**
- Listings span $8.58–$122.59; the average listing price is $34.24 (sweet spot $15–$100). The average incumbent carries 1,358 reviews — the moat a new listing must climb.
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