---
title: "Trunchbull Costume — $17K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/trunchbull-costume"
last_updated: "2026-08-06T05:07:40.715Z"
locale: en
meta:
description: "Niche score 31/100 · $17K/yr market · 54K searches/yr · $43.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 31/100 · $17K/yr market · 54K searches/yr · $43.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Trunchbull Costume — $17K/yr Amazon US Niche (2026) - Flapen"
---
# **trunchbull costume**
**Skip it**
A small market ($17K/yr) — this niche doesn't clear our bar today.
Market size 4Growth 10Conversion 9Competition 19Returns 20Price range 88Avg price 95Brand share 40Review moat 68Quality gap 70
**Avg price**
**Incredible****$43.37**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.24–$67.45**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****774.18**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Returns**
**Bad****6.3%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-29.3%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$17K**
$17K/yr · 54K searches
**Signals**[** 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%") [** 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, trunchbull costume is a $17K/yr Amazon United States market (54K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 31/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **trunchbull costume market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$33K–$43K**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#7,042**
- **Page quality**
- **0%**
- **Prime**
- **73%**
- **Sponsored**
- **45%**
- **Out of stock**
- **28.7%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **196 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▲rising
**Sellers**
**42**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**13%**
- Heodols40% - JISEN15% - Wocloey11% - Todollcos8% - Cekalue6% - Milwaukee Leather6% - Open — no brand owns it (4 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 84 weeks — -29.3% search growth over the last 90 days.
10K6KSpike '25Prime Day '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 39.3×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/trunchbull-costume/trend)
## **Top trunchbull costume search terms**
- **trunchbull costume**18K/yr-44.7%0.9% conv. - **miss trunchbull costume**12K/yr-19.4%0.5% conv. - **mrs trunchbull costume**13K/yr-7.8%0.2% conv. - **trunchbull**3K/yr-12.6%0.0% conv. - **ms trunchbull costume**8K/yr-23.7%1.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/trunchbull-costume/search-terms)
## **Top trunchbull 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%15%$2K30%$5K45%$7K60%$10K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Heodols Womens Miss Headmaster Costume Shirt Coat Adults School Cosplay Outfits Green Overcoat Halloween Suits**Heodols**$63.31**4.8★30 rev](https://www.amazon.com/dp/B0BRXV4GQ2) [2**JISEN Men PU leather Punk Half Finger Hollow Out Gloves Black**JISEN**$11.45**4.2★1,645 rev](https://www.amazon.com/dp/B0787THLRD) [3**Women Musical Miss Trunchbull Costume Outfit Adult Agatha Trunchbull Overcoat Shirt Halloween Cosplay Suits (Large)**Todollcos**$67.45**5.0★8 rev](https://www.amazon.com/dp/B0C7ZXVWP7) [4**Miss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits**Wocloey**$58.11**5.0★1 rev](https://www.amazon.com/dp/B0GL2KN4LQ) [5**Cekalue Womens Miss Trunchbull Costume Shirt Tie Long Coat Jacket Belt Full Set Trunchbull Cosplay Costume for Adult**Cekalue**$57.92**5.0★10 rev](https://www.amazon.com/dp/B0BN5R47TT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Miss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits**Wocloey**$58.11**1 rev5mo ago](https://www.amazon.com/dp/B0GL2KN4LQ) [**Miss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits**Wocloey**$57.31**1 rev5mo ago](https://www.amazon.com/dp/B0GL29NK4Q) [**Breathffy 5 Pcs Halloween Strict Miss Headmaster Costume Sets Adult 1970s Vintage Grey Headmistress with Brown Weight Lifting Belt Grey Hoodie Hammer Throw Props and Mesh Bag for Women Cosplay**Breathffy**$26.84**7 rev1y ago](https://www.amazon.com/dp/B0F9Y15NQX) [**Officer Uniform Agent Peggy Carter Cosplay Costume Dress Uniform Suit for Women (M)**SFWXCOS**$55.67**9 rev1y ago](https://www.amazon.com/dp/B0DL9HKXRB) [**Women Musical Miss Trunchbull Costume Outfit Adult Agatha Trunchbull Overcoat Shirt Halloween Cosplay Suits (Large)**Todollcos**$67.45**8 rev3y ago](https://www.amazon.com/dp/B0C7ZXVWP7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Officer Uniform Agent Peggy Carter Cosplay Costume Dress Uniform Suit for Women (M)**SFWXCOS**$55.67**3.5★**▲ 353%**](https://www.amazon.com/dp/B0DL9HKXRB) [**Miss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits**Wocloey**$57.31**5.0★**▲ 286%**](https://www.amazon.com/dp/B0GL29NK4Q) [**Miss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits**Wocloey**$58.11**5.0★**▲ 190%**](https://www.amazon.com/dp/B0GL2KN4LQ) [**Women Musical Miss Trunchbull Costume Outfit Adult Agatha Trunchbull Overcoat Shirt Halloween Cosplay Suits (Large)**Todollcos**$67.45**5.0★**▲ 174%**](https://www.amazon.com/dp/B0C7ZXVWP7) [**Cekalue Womens Miss Trunchbull Costume Shirt Tie Long Coat Jacket Belt Full Set Trunchbull Cosplay Costume for Adult**Cekalue**$57.92**5.0★**▲ 115%**](https://www.amazon.com/dp/B0BN5R47TT)
**~~View all trending →~~**
## **What buyers say about trunchbull costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“good quality”*
**Size-Overall**18%
*“fits great”*
**Comfort-Overall**11%
*“They were very comfortable”*
**Advertised Vs Actual Product**11%
*“Product was as described”*
**Ease Of Use**9%
*“Easy to use”*
**Weight Light**9%
*“excellent not too heavy not to thin”*
**Soft Feel**5%
*“Soft, warm and comfortabe”*
**Grip**3%
*“Decent gloves”*
**Durability**2%
*“This is a durable costume glove”*
**Warmth**2%
*“It is warm, soft, and comfortable right from the box”*
### **What buyers complain about **
**Quality-Overall**29%
*“Garbage”*
**Durability**26%
*“they're falling apart already”*
**Size-Overall**26%
*“My hands were too big”*
**Material Quality**14%
*“Very bad material”*
### **Top return reasons **
**Size-Overall**65%
**Color**5%
**Value For Money**4%
**Waist Fit**3%
**Material Quality**3%
**Sleeve Fit**3%
**Length**3%
**Wrist Fit**3%
**Chest Fit**3%
**Quality-Overall**2%
## **Common questions**
- **Is trunchbull costume profitable to sell on Amazon United States?**
- The niche generates $17K/yr across 11 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -29.3%. Flapen's verdict: Skip it (31/100).
- **How competitive is the trunchbull costume niche?**
- 10 brands and 42 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in trunchbull costume?**
- Top complaints mined from reviews: Quality-Overall, Durability, Size-Overall. The return rate is 6.3% — above our launch gate.
- **When does demand for trunchbull costume peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 39.3× the quietest.
- **What does it cost to enter the trunchbull costume niche?**
- Listings span $10.24–$67.45; the average listing price is $43.37 (sweet spot $15–$100). The average incumbent carries 774 reviews — the moat a new listing must climb.
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