Skip to content
47

Mavis Costume

Skip it

High returns (13.1%) — this niche doesn't clear our bar today.

Market size 5Growth 55Conversion 7Competition 72Returns 0Price range 79Avg price 89Brand share 83Review moat 46Quality gap 76

Avg price

Great$20.78

avg listing price — sweet spot $15–$100

Brand share

Great52%

top-5 brand share — no brand owns this niche

Price range

Great$5.15–$53.98

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Competition

Good42%

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

Growth

Good+28.6%

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

Review moat

Okay1,940.49

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad0.5%

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

Market size

Bad$21K

$21K/yr · 188K searches

Returns

Bad13.1%

return rate — above 5% kills the launch gate

Is mavis costume profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mavis costume is a $21K/yr Amazon United States market (188K searches/yr). The top 5 brands hold 52% of demand. Verdict: Skip it — 47/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

mavis costume market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
2K–3K
avg 0–100/product
Revenue / yr
$42K–$52K
units × avg price
Conversion rate
0.5%
Avg BSR
#14,131
Page quality
0%
Prime
91%
Sponsored
46%
Out of stock
13.1%
Avg brand age
43 months
Avg seller age
180 days

Competition: brands, sellers & click share

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

27 rising

Sellers

53

Top-5 brand share

52%

Top 20: 95%

Top-5 click share

42%

Top 20: 89%

Open market

41%

  • Suhine14%
  • Leg Avenue12%
  • Toulite10%
  • Geyoga8%
  • POEWAUVE8%
  • Chongbaijia7%

mavis costume demand & seasonality

Weekly Amazon search volume, last 38 weeks — +28.6% search growth over the last 90 days.
40K30KSpike '25Spike '26Oct '25Nov '25Jan '26Feb '26Apr '26May '26

Top mavis costume search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • mavis costume100K/yr
  • mavis cosplay8K/yr
  • mavis costume women60K/yr
  • mavis hotel transylvania costume9K/yr
  • mavis halloween costume11K/yr
All search terms

Top mavis costume 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%$6216%$1K9%$2K12%$2K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What reviews say buyers love and hate about mavis costume

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

What buyers love

Size-Overall26%

“Great fit”

Quality-Overall13%

“great quality for a costume set”

Advertised Vs Actual Product9%

“Just like advertised”

Comfort-Overall7%

“Very comfortable”

Material Quality6%

“The material is a lightweight and comfortable material”

Value For Money5%

“isn't too expensive either”

Ease Of Use4%

“Very simple,”

Shape/Style4%

“Cute Style”

Color4%

“Got it in so many colors”

Stretchability/Expandability/Elasticity4%

“Nice material, good stretch”

What buyers complain about

Size-Overall14%

“But Not the Right Fit for Me”

Stretchability/Expandability/Elasticity10%

“it isnt stretchy which I think would cause it to rip later on anyways”

Thickness10%

“Very thick and snatches you”

Ease Of Cleaning7%

“its all dirty even the package was all dirty”

Material Quality6%

“Cheap look and material”

Quality-Overall3%

“Low quality”

Fastener Quality3%

“The cape- the clasps that hold it around your neck mine broke trying to try it on”

Transparency3%

“Feels light not see thru”

Waist Fit2%

“folds at waist hide fat”

Soft Feel2%

“I wish the dress fabric was a little softer”

Top return reasons

Size-Overall49%
Length7%
Chest Fit7%
Material Quality7%
Waist Fit6%
Hip Fit4%
Shoulder Fit4%
Advertised Vs Actual Product3%
Shape/Style3%
Thin2%

Common mavis costume questions

Is mavis costume profitable to sell on Amazon United States?
The niche generates $21K/yr across 35 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is +28.6%. Flapen's verdict: Skip it (47/100).
How competitive is the mavis costume niche?
27 brands and 53 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 52% of demand.
What do buyers complain about in mavis costume?
Top complaints mined from reviews: Size-Overall, Stretchability/Expandability/Elasticity, Thickness. The return rate is 13.1% — above our launch gate.
What does it cost to enter the mavis costume niche?
Listings span $5.15–$53.98; the average listing price is $20.78 (sweet spot $15–$100). The average incumbent carries 1,940 reviews — the moat a new listing must climb.