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

Market size 22Growth 25Conversion 55Competition 10Returns 81Price range 60Avg price 80Brand share 0Review moat 22Quality gap 60

Returns

Great1.7%

return rate — above 6% kills the launch gate

Avg price

Great$16.97

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Good$9.95–$22.50

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

Conversion

Good4.6%

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

Growth

Bad-0.0%

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

Market size

Bad$90K

$90K/yr · 115K searches

Review moat

Bad8,652.78

avg incumbent reviews — the moat a new listing must climb

Competition

Bad88%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

19

Top-5 brand share

100%

Open market

0%

  • Cryo-Max83%
  • Paterr8%
  • Therapist's Choice3%
  • REVIX3%
  • TrekProof3%

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%15%$13K30%$27K45%$40K60%$54K1001K10K100K 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 — -0.0% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 2.7×

Reviews

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

What buyers love

Quality-Overall13%

“Great for product”

Ease Of Use7%

“This is a very handy item”

Size-Overall7%

“right size and as advertised”

Advertised Vs Actual Product7%

“Description is accurate”

Temperature Retention6%

“Stays cold”

Cold Relief6%

“The coldness is awesome”

Efficiency6%

“it does well”

Joint Pain5%

“Perfect for knee”

Value For Money4%

“Worth buying”

Strap/String Quality4%

“The strap is awesome as a feature for use”

What buyers complain about

Leak-Proof14%

“leaked everywhere”

Size-Overall8%

“Too small”

Durability8%

“not as durable as stated”

Strap/String Quality6%

“Strap is pretty short”

Temperature Retention4%

“It doesn't stay cold for very long”

Heating4%

“sometimes heating them for too long”

Quality-Overall4%

“Garbage”

Value For Money4%

“Waste of money”

Advertised Vs Actual Product4%

“False advertisement”

Comfort-Overall3%

“Not comfortable at all”

Top return reasons

Size-Overall33%
Leak-Proof18%
Advertised Vs Actual Product9%
Weight Heavy7%
Strap/String Quality3%
Functionality-Overall2%
Joint Pain2%
Flexibility2%
Value For Money2%
Comfort-Overall2%