black square glasses
Skip itA small market ($19K/yr) — this niche doesn't clear our bar today.
Brand share
Great41%top-5 brand share — no brand owns this niche
Competition
Great31%top-5 click share — an open shelf
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Okay$11.55avg listing price — sweet spot $15–$100
Review moat
Okay2,938.18avg incumbent reviews — the moat a new listing must climb
Returns
Okay4.1%return rate — above 5% kills the launch gate
Price range
Okay$3.98–$19.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Growth
Bad-11.0%90-day search growth — must beat 0% to launch
Market size
Bad$19K$19K/yr · 71K searches
According to Flapen's Amazon United States niche tracking, black square glasses is a $19K/yr Amazon United States market (71K searches/yr). The top 5 brands hold 41% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 43/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
black square glasses market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $23K–$29K
- units × avg price
- Conversion rate
- 2.3%
- Avg BSR
- #369
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 0.0%
- Avg brand age
- 45 months
- Avg seller age
- 199 days
Competition & brand share
Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.Brands
45 rising
Sellers
59
Top-5 brand share
41%
Top 20: 82%
Top-5 click share
31%
Top 20: 67%
Open market
53%
- EYLRIM10%
- GQUEEN9%
- TYA8%
- LYZOIT7%
- hoyuwak7%
- Sunier5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.0% search growth over the last 90 days.Peak months: Oct, Nov · busiest ÷ quietest = 5.6×
Top black square glasses search terms
- oversized glasses for men11K/yr
- big black glasses14K/yr
- thick black glasses9K/yr
- black oversized glasses5K/yr
- oversized black glasses6K/yr
- square black glasses7K/yr
- black chunky glasses4K/yr
- chunky black glasses4K/yr
- fake square glasses5K/yr
- square fake glasses3K/yr
Top black square glasses products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GQUEEN Oversized Fake Glasses Women Men Retro Thick Big Square Frame Clear Lens UV400 Protection Fashion Eyeglasses Black
GQUEEN$9.994.3★127 rev
EYLRIM Classic Thick Square Frame Clear Lens Glasses for Women Men Non Prescription Eyeglasses(A1 Bright Black)
EYLRIM$10.174.6★1,582 rev
hoyuwak Oversized Square Blue Light Glasses Big Frame Computer Eyewear Thick Fashion Clear Glasses for Women Fashion
hoyuwak$7.284.5★577 rev
TYA Oversized Trendy Wrap Around Sunglasses for Women Men - Cool Concert Black shades 2000s Retro Round Big Shield Glasses
TYA$18.304.4★623 rev
Sunier Oversized Thick Square Fake Glasses for Women Men Fashion Preppy Clear Lens Eyeglasses with 100% UV400 Protection
Sunier$10.084.5★145 rev
Newest
by launch dateSunier Oversized Thick Square Fake Glasses for Women Men Fashion Preppy Clear Lens Eyeglasses with 100% UV400 Protection
Sunier$10.08145 rev
LYZOIT Extra Large Sunglasses for Big Wide Heads Mens Polarized XL Oversized Square Sun Glasses Matte Black
LYZOIT$17.46212 rev
GQUEEN Oversized Fake Glasses Women Men Retro Thick Big Square Frame Clear Lens UV400 Protection Fashion Eyeglasses Black
GQUEEN$9.99127 rev
ZIMUSUN Oversized Square Glasses for Women Men Chunky Frame Blue Light Lens Non Prescription Eyeglasses(A1 Bright Black)
ZIMUSUN$11.6784 rev
hoyuwak Oversized Square Blue Light Glasses Big Frame Computer Eyewear Thick Fashion Clear Glasses for Women Fashion
hoyuwak$7.28577 rev
Trending
90-day click momentumLYZOIT Extra Large Sunglasses for Big Wide Heads Mens Polarized XL Oversized Square Sun Glasses Matte Black
LYZOIT$17.464.5★
Tskestvy Oversized 70s Aviator Sunglasses for Men Disco Sun Glasses Cool Designer Tinted Shades Gold Alloy Frame
Tskestvy$13.434.5★
TYA Oversized Trendy Wrap Around Sunglasses for Women Men - Cool Concert Black shades 2000s Retro Round Big Shield Glasses
TYA$18.304.4★
LYZOIT Square Oversized Sunglasses for Women Men Big Shield Large Rimless Shades Super Dark Black Sun glasses sensitive eyes
LYZOIT$17.874.6★
aisswzber Square Oversized Sunglasses for Women and Men Fashion Flat Top Goggle Siamese Lens
aisswzber$8.804.6★
What buyers say about black square glasses
What buyers praise and complain about, mined from review topics.What buyers love
“The glasses are of outstanding quality”
“liked the size”
“Great value”
“Comfortable too”
“Great style”
“As described”
“love I have two color options”
“the have not broke”
“They feel lightweight on the face”
“Solid purchase”
What buyers complain about
“Too big”
“Bad quality”
“Broke in a week”
“NOT BLUE LIGHT FILTERING GLASSES”
“overpriced”
“However the lens smidge easily”
“They do nothing”
“Pale yellow”
“not very sturdy”
“Cheap material”
Top return reasons
Common questions
- Is black square glasses profitable to sell on Amazon United States?
- The niche generates $19K/yr across 67 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -11.0%. Flapen's verdict: Skip it (43/100).
- How competitive is the black square glasses niche?
- 45 brands and 59 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 41% of demand.
- What do buyers complain about in black square glasses?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 4.1%.
- When does demand for black square glasses peak?
- Demand peaks in Oct–Nov; the busiest month runs 5.6× the quietest.
- What does it cost to enter the black square glasses niche?
- Listings span $3.98–$19.82; the average listing price is $11.55 (sweet spot $15–$100). The average incumbent carries 2,938 reviews — the moat a new listing must climb.