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maui jim sunglass case

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A small market ($11K/yr) — this niche doesn't clear our bar today.

Market size 3Growth 73Conversion 34Competition 25Returns 47Price range 51Avg price 54Brand share 24Review moat 43Quality gap 32

Growth

Good+57.5%

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

Avg price

Good$12.51

avg listing price — sweet spot $15–$100

Price range

Good$6.63–$23.83

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

Returns

Okay3.4%

return rate — above 6% kills the launch gate

Review moat

Okay2,183.8

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay2.7%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Okay70%

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

Brand share

Bad90%

top-5 brand share — brand-locked demand

Market size

Bad$11K

$11K/yr · 33K searches

Competition

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

12

Top-5 brand share

90%

Open market

7%

  • BLUPOND32%
  • Maui Jim29%
  • molshine18%
  • ProCase7%
  • FINTIE4%
  • Runhike2%
  • Open — no brand owns it (4 brands, 7%)

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%$1K20%$2K30%$3K40%$5K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +57.5% search growth over the last 90 days.
1K600Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 2.1×

Reviews

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

What buyers love

Size-Overall22%

“Great fit”

Quality-Overall20%

“Great product exactly as advertised”

Strength7%

“the clip is very sturdy”

Value For Money7%

“Great price too”

Advertised Vs Actual Product6%

“As advertised”

Color4%

“I love the color”

Durability4%

“extremely durable”

Weight Light4%

“not heavy”

Ease Of Use3%

“convenient well recommended”

Design-Overall2%

“Clever Design”

What buyers complain about

Size-Overall22%

“not fitting”

Zipper Quality6%

“Zipper broke with it weeks”

Durability5%

“slowly work itself off”

Strength5%

“Flimsy case”

Smell4%

“has a bad odor”

Weight Heavy4%

“feels a bit bulk”

Quality-Overall4%

“Incredibly cheap”

Color3%

“Aside from being brown instead of black”

Water Resistance3%

“Hardly water resistant”

Advertised Vs Actual Product3%

“False advertising”

Top return reasons

Size-Overall74%
Advertised Vs Actual Product4%
Weight Heavy2%
Color2%
Smell2%
Zipper Quality2%
Width1%
Quality-Overall1%
Value For Money1%
Length1%