trunchbull costume
Skip itA small market ($17K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$43.37avg listing price — sweet spot $15–$100
Price range
Great$10.24–$67.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Review moat
Good774.18avg incumbent reviews — the moat a new listing must climb
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Returns
Bad6.3%return rate — above 5% kills the launch gate
Competition
Bad77%top-5 click share — a locked-up shelf
Growth
Bad-29.3%90-day search growth — must beat 0% to launch
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Market size
Bad$17K$17K/yr · 54K searches
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
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.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 39.3×
Top trunchbull costume search terms
- trunchbull costume18K/yr
- miss trunchbull costume12K/yr
- mrs trunchbull costume13K/yr
- trunchbull3K/yr
- ms trunchbull costume8K/yr
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.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Heodols Womens Miss Headmaster Costume Shirt Coat Adults School Cosplay Outfits Green Overcoat Halloween Suits
Heodols$63.314.8★30 rev
JISEN Men PU leather Punk Half Finger Hollow Out Gloves Black
JISEN$11.454.2★1,645 rev
Women Musical Miss Trunchbull Costume Outfit Adult Agatha Trunchbull Overcoat Shirt Halloween Cosplay Suits (Large)
Todollcos$67.455.0★8 rev
Miss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits
Wocloey$58.115.0★1 rev
Cekalue Womens Miss Trunchbull Costume Shirt Tie Long Coat Jacket Belt Full Set Trunchbull Cosplay Costume for Adult
Cekalue$57.925.0★10 rev
Newest
by launch dateMiss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits
Wocloey$58.111 rev
Miss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits
Wocloey$57.311 rev
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$26.847 rev
Officer Uniform Agent Peggy Carter Cosplay Costume Dress Uniform Suit for Women (M)
SFWXCOS$55.679 rev
Women Musical Miss Trunchbull Costume Outfit Adult Agatha Trunchbull Overcoat Shirt Halloween Cosplay Suits (Large)
Todollcos$67.458 rev
Trending
90-day click momentumOfficer Uniform Agent Peggy Carter Cosplay Costume Dress Uniform Suit for Women (M)
SFWXCOS$55.673.5★
Miss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits
Wocloey$57.315.0★
Miss Agathas Trunchbull Cosplay Matildaa Costume Trunchbull Coat Shirt Necktie Belt Women Halloween Outfits
Wocloey$58.115.0★
Women Musical Miss Trunchbull Costume Outfit Adult Agatha Trunchbull Overcoat Shirt Halloween Cosplay Suits (Large)
Todollcos$67.455.0★
Cekalue Womens Miss Trunchbull Costume Shirt Tie Long Coat Jacket Belt Full Set Trunchbull Cosplay Costume for Adult
Cekalue$57.925.0★
What buyers say about trunchbull costume
What buyers praise and complain about, mined from review topics.What buyers love
“good quality”
“fits great”
“They were very comfortable”
“Product was as described”
“Easy to use”
“excellent not too heavy not to thin”
“Soft, warm and comfortabe”
“Decent gloves”
“This is a durable costume glove”
“It is warm, soft, and comfortable right from the box”
What buyers complain about
“Garbage”
“they're falling apart already”
“My hands were too big”
“Very bad material”
Top return reasons
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.