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57

sunglasses bag

Worth a look

Shows no brand lock-in (top 5 brands take 47% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 22Growth 69Conversion 70Competition 76Returns 65Price range 40Avg price 26Brand share 88Review moat 48Quality gap 40

Brand share

Great47%

top-5 brand share — no brand owns this niche

Competition

Great39%

top-5 click share — an open shelf

Conversion

Good6.5%

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

Growth

Good+50.0%

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

Returns

Good2.4%

return rate — above 6% kills the launch gate

Review moat

Okay1,728.02

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Price range

Okay$4.20–$22.31

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

Avg price

Okay$9.09

avg listing price — sweet spot $15–$100

Market size

Bad$89K

$89K/yr · 151K searches

Competition

Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.

Brands

30 falling

Sellers

35

Top-5 brand share

47%

Open market

49%

  • Mamlyn17%
  • Sightor10%
  • FHJLZFA9%
  • Hoiny6%
  • COMF-PRO5%
  • Ldirect4%

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%4%$4K8%$7K12%$11K16%$14K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 43 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 27 weeks — +50.0% search growth over the last 90 days.
4K3KJan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26

Reviews

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

What buyers love

Quality-Overall18%

“well made product”

Size-Overall17%

“Fits good”

Value For Money10%

“Great deal”

Advertised Vs Actual Product9%

“As advertised”

Soft Feel7%

“Soft inside”

Ease Of Use5%

“Easy to use”

Material Quality3%

“High quality material”

Color3%

“I love the different colors as they are so pretty”

Design-Overall2%

“Great design”

Pockets/Compartments2%

“fits easily in bags or pockets”

What buyers complain about

Size-Overall24%

“Too large”

Quality-Overall9%

“Cheap quality”

Thickness5%

“They are thick”

Ease Of Use5%

“Not easy to use”

Strength4%

“Flimsy”

Smell4%

“This has a really bad smell”

Material Quality3%

“limp material”

Stitch/Finish/Polish3%

“Poor Stitching”

Value For Money2%

“Costly”

Durability2%

“Doesnt last long”

Top return reasons

Size-Overall46%
Material Quality7%
Quality-Overall5%
Advertised Vs Actual Product4%
Width4%
Thin3%
Ease Of Use3%
Strength2%
Hard Feel2%
Soft Feel2%