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charcoal shoe deodorizer inserts

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A small market ($64K/yr) — this niche doesn't clear our bar today.

Market size 16Growth 19Conversion 95Competition 16Returns 96Price range 54Avg price 55Brand share 35Review moat 24Quality gap 73

Returns

Incredible0.9%

return rate — above 6% kills the launch gate

Conversion

Incredible12.4%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Avg price

Good$12.55

avg listing price — sweet spot $15–$100

Price range

Good$8.05–$23.27

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

Brand share

Okay84%

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

Review moat

Bad5,385.38

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-11.4%

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

Market size

Bad$64K

$64K/yr · 41K searches

Competition

Bad81%

top-5 click share — a locked-up shelf

Competition

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 rising

Sellers

20

Top-5 brand share

84%

Open market

12%

  • Innmily26%
  • Marsheepy22%
  • Vergali20%
  • Kaps11%
  • bmbu5%
  • MOSO NATURAL4%
  • Open — no brand owns it (5 brands, 12%)

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%$6K20%$13K30%$19K40%$26K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 92 weeks — -11.4% search growth over the last 90 days.
1K600Spike '25Holiday '25NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Smell29%

“Made my room smell great”

Size-Overall8%

“What I appreciate most about these bags is their compact size”

Quality-Overall8%

“Great quality”

Efficiency7%

“Zorpads work so much better than these”

Advertised Vs Actual Product7%

“Just as described”

Value For Money6%

“Good for the price”

Ease Of Use5%

“easy to use”

Freshness3%

“Fresh & comfortable”

Comfort-Overall3%

“Comfort is good”

Recycle/Reuse2%

“Simple, Effective, and Reusable”

What buyers complain about

Smell40%

“they do not smell”

Functionality-Overall16%

“nothing effective”

Value For Money5%

“Not worth it”

Durability3%

“Crumbles apart after a couple uses”

Quality-Overall3%

“Very cheaply made”

Advertised Vs Actual Product2%

“Does not work at advertised”

Thickness2%

“the outer fabric is quite thick”

Size-Overall2%

“There is a printing error on the outline defining shoe sizes”

Strength1%

“they seem to get flimsy after a few wears”

Thin1%

“It becomes thin so easily”

Top return reasons

Smell42%
Functionality-Overall19%
Size-Overall13%
Advertised Vs Actual Product7%
Value For Money3%
Defective Material/Parts2%
Thin2%
Quality-Overall2%
Absorbency2%
Thickness1%