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keep glasses from slipping

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Brand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.

Market size 53Growth 23Conversion 85Competition 17Returns 88Price range 50Avg price 52Brand share 16Review moat 25Quality gap 82

Returns

Great1.3%

return rate — above 6% kills the launch gate

Conversion

Great9.6%

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Market size

Good$336K

$336K/yr · 289K searches

Avg price

Good$12.19

avg listing price — sweet spot $15–$100

Price range

Good$5.03–$24.97

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

Review moat

Bad4,902.18

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-4.8%

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

Competition

Bad80%

top-5 click share — a locked-up shelf

Brand share

Bad94%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 rising

Sellers

10

Top-5 brand share

94%

Open market

3%

  • Nerdwax70%
  • Gdnmpat7%
  • Setex7%
  • Anchor Glasses Straps5%
  • BLOOM & BLOOM4%
  • HIBLOKS4%
  • Open — no brand owns it (1 brand, 3%)

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%$50K30%$101K45%$151K60%$202K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.8% search growth over the last 90 days.
13K8KHoliday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 2.1×

Reviews

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

What buyers love

Comfort-Overall11%

“Comfortable too”

Grip9%

“Excellent grip”

Quality-Overall8%

“The quality feels solid”

Advertised Vs Actual Product7%

“As advertised”

Eye-Hygiene7%

“Keeps my glasses on my face”

Size-Overall7%

“Better fit”

Efficiency6%

“Works well”

Adhesion/Stickiness6%

“Good adhesive”

Value For Money4%

“Good value”

Ease Of Use4%

“Easy to put on”

What buyers complain about

Adhesion/Stickiness15%

“They are sticky”

Functionality-Overall11%

“Did not work well for me at all”

Durability8%

“Doesnt last”

Grip8%

“Does not grip as advertised”

Value For Money6%

“Not worth it”

Size-Overall5%

“They didnt even fit”

Comfort-Overall3%

“Not comfortable at all”

Visibility3%

“barely noticeable”

Quality-Overall2%

“disappointing performance”

Thickness2%

“Thin little things”

Top return reasons

Size-Overall29%
Functionality-Overall18%
Adhesion/Stickiness12%
Grip9%
Comfort-Overall6%
Advertised Vs Actual Product6%
Thickness4%
Thin2%
Compatibility-Overall2%
Color1%