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lava girl costume

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A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 29Conversion 0Competition 73Returns 0Price range 68Avg price 95Brand share 54Review moat 58Quality gap 76

Avg price

Incredible$41.29

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Competition

Good41%

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

Price range

Good$6.86–$131.79

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

Review moat

Good1,180.23

avg incumbent reviews — the moat a new listing must climb

Brand share

Good73%

top-5 brand share — brands hold most of the demand

Growth

Okay+2.9%

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

Market size

Bad$0

$0/yr · 191K searches

Conversion

Bad0.0%

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

Returns

Bad16.4%

return rate — above 6% kills the launch gate

Competition

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 rising

Sellers

31

Top-5 brand share

73%

Open market

24%

  • Fun Costumes32%
  • LUCKYGAL14%
  • Kepblom12%
  • Leg Avenue10%
  • Forplay4%
  • MANGOPOP4%

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%3%$06%$09%$012%$01101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 39 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.9% search growth over the last 90 days.
30K20KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 65.1×

Reviews

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

What buyers love

Shape/Style33%

“Cute style”

Size-Overall17%

“Fit was nice”

Print Quality8%

“the only thing nice about this is the print design”

Quality-Overall8%

“good quality for the price”

Breathability8%

“Breathable”

Material Quality8%

“10/10 I love the material”

Design-Overall8%

“the only thing nice about this is the print design”

What buyers complain about

Size-Overall48%

“the fitting design is trash on the bottom area”

Quality-Overall14%

“Awful quality”

Advertised Vs Actual Product14%

“These reviews and photos are HEAVILY misleading”

Value For Money7%

“the price was outrageous for such a horrible product”

Zipper Quality7%

“Also there is NO WAY TO ZIP IT by yourself”

Top return reasons

Size-Overall50%
Length9%
Waist Fit5%
Advertised Vs Actual Product4%
Material Quality4%
Color3%
Chest Fit3%
Wig/Artificial Hair Quality3%
Thin3%
Sleeve Fit2%