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melanie martinez costume

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Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 1Growth 13Conversion 9Competition 9Returns 42Price range 89Avg price 95Brand share 0Review moat 39Quality gap 45

Avg price

Incredible$31.40

avg listing price — sweet spot $15–$100

Price range

Great$10.25–$72.81

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay4.0%

return rate — above 6% kills the launch gate

Review moat

Okay2,570.78

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-23.4%

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

Conversion

Bad0.7%

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

Competition

Bad89%

top-5 click share — a locked-up shelf

Market size

Bad$2K

$2K/yr · 10K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

30

Top-5 brand share

100%

Open market

0%

  • Generic80%
  • Melanie Martinez11%
  • Todollcos4%
  • Miuphro3%
  • RIP-IT2%

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%10%$22420%$44930%$67340%$898101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -23.4% search growth over the last 90 days.
20K15KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug, Sep · busiest ÷ quietest = 36.0×

Reviews

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

What buyers love

Quality-Overall20%

“The quality of the mask is really good”

Size-Overall15%

“Fits my 9 year old great”

Exercise/Sports Suitability11%

“very great for softball”

Value For Money9%

“Good deal”

Thickness6%

“They are thick; Ive tried them out and theyre fine”

Ease Of Use6%

“it was easier to get them in”

Weather Proof6%

“I think they work well for use in a cool environment”

Color6%

“They are sturdy and wrapped by color so you can give a color to each family member, five different colors 10 a piece, great job”

Adhesion/Stickiness4%

“so I used h0t glue perfect”

Strength4%

“they feel very sturdy”

What buyers complain about

Color25%

“I will say the color is lighter than the image so I had to paint it”

Moist/Dry8%

“it takes forever to dry”

Size-Overall8%

“hard to adjust when you have a big nose”

Comfort-Overall8%

“they are very uncomfortable”

Adhesion/Stickiness8%

“Glue sucks”

Weight Light8%

“mask is lighter than advertised”

Functionality-Overall8%

“Glue doesnt work”

Top return reasons

Size-Overall80%
Value For Money3%
Color3%
Product Condition2%
Strap/String Quality2%
Cushion2%
Material Quality1%
Advertised Vs Actual Product1%
Functionality-Overall1%
Comfort-Overall1%