---
title: "Black Square Glasses — $19K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/black-square-glasses"
last_updated: "2026-08-10T16:44:31.011Z"
locale: en
meta:
description: "Niche score 43/100 · $19K/yr market · 71K searches/yr · $11.55 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $19K/yr market · 71K searches/yr · $11.55 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Black Square Glasses — $19K/yr Amazon US Niche (2026) - Flapen"
---
# **black square glasses**
**Skip it**
A small market ($19K/yr) — this niche doesn't clear our bar today.
Market size 5Growth 20Conversion 28Competition 84Returns 36Price range 30Avg price 46Brand share 94Review moat 36Quality gap 53
**Brand share**
**Great****41%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****31%**
top-5 click share — an open shelf
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****$11.55**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****2,938.18**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****4.1%**
return rate — above 5% kills the launch gate
**Price range**
**Okay****$3.98–$19.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****2.3%**
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
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
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 ~~](https://flapen.com/research/methodology)
## **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.
7K5KSpike '24Prime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 5.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/black-square-glasses/trend)
## **Top black square glasses search terms**
- **oversized glasses for men**11K/yr-8.1%0.4% conv. - **big black glasses**14K/yr+8.4%2.2% conv. - **thick black glasses**9K/yr-16.5%3.0% conv. - **black oversized glasses**5K/yr-0.3%1.6% conv. - **oversized black glasses**6K/yr-31.9%1.9% conv. - **square black glasses**7K/yr-24.7%2.8% conv. - **black chunky glasses**4K/yr-17.2%2.4% conv. - **chunky black glasses**4K/yr-13.6%2.0% conv. - **fake square glasses**5K/yr-25.5%2.9% conv. - **square fake glasses**3K/yr-5.7%2.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/black-square-glasses/search-terms)
## **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.
0%2%$3724%$7456%$1K8%$1K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**GQUEEN Oversized Fake Glasses Women Men Retro Thick Big Square Frame Clear Lens UV400 Protection Fashion Eyeglasses Black**GQUEEN**$9.99**4.3★127 rev](https://www.amazon.com/dp/B0DPFKR76L) [2**EYLRIM Classic Thick Square Frame Clear Lens Glasses for Women Men Non Prescription Eyeglasses(A1 Bright Black)**EYLRIM**$10.17**4.6★1,582 rev](https://www.amazon.com/dp/B09S9Z4DQ9) [3**hoyuwak Oversized Square Blue Light Glasses Big Frame Computer Eyewear Thick Fashion Clear Glasses for Women Fashion**hoyuwak**$7.28**4.5★577 rev](https://www.amazon.com/dp/B0CYS8WHRJ) [4**TYA Oversized Trendy Wrap Around Sunglasses for Women Men - Cool Concert Black shades 2000s Retro Round Big Shield Glasses**TYA**$18.30**4.4★623 rev](https://www.amazon.com/dp/B0CLZT2T6G) [5**Sunier Oversized Thick Square Fake Glasses for Women Men Fashion Preppy Clear Lens Eyeglasses with 100% UV400 Protection**Sunier**$10.08**4.5★145 rev](https://www.amazon.com/dp/B0FJRQSYYZ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Sunier Oversized Thick Square Fake Glasses for Women Men Fashion Preppy Clear Lens Eyeglasses with 100% UV400 Protection**Sunier**$10.08**145 rev11mo ago](https://www.amazon.com/dp/B0FJRQSYYZ) [**LYZOIT Extra Large Sunglasses for Big Wide Heads Mens Polarized XL Oversized Square Sun Glasses Matte Black**LYZOIT**$17.46**212 rev1y ago](https://www.amazon.com/dp/B0DXPVQCX2) [**GQUEEN Oversized Fake Glasses Women Men Retro Thick Big Square Frame Clear Lens UV400 Protection Fashion Eyeglasses Black**GQUEEN**$9.99**127 rev1y ago](https://www.amazon.com/dp/B0DPFKR76L) [**ZIMUSUN Oversized Square Glasses for Women Men Chunky Frame Blue Light Lens Non Prescription Eyeglasses(A1 Bright Black)**ZIMUSUN**$11.67**84 rev1y ago](https://www.amazon.com/dp/B0DL9945XF) [**hoyuwak Oversized Square Blue Light Glasses Big Frame Computer Eyewear Thick Fashion Clear Glasses for Women Fashion**hoyuwak**$7.28**577 rev2y ago](https://www.amazon.com/dp/B0CYS8WHRJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**LYZOIT Extra Large Sunglasses for Big Wide Heads Mens Polarized XL Oversized Square Sun Glasses Matte Black**LYZOIT**$17.46**4.5★**▲ 240%**](https://www.amazon.com/dp/B0DXPVQCX2) [**Tskestvy Oversized 70s Aviator Sunglasses for Men Disco Sun Glasses Cool Designer Tinted Shades Gold Alloy Frame**Tskestvy**$13.43**4.5★**▲ 188%**](https://www.amazon.com/dp/B0CT89H9YD) [**TYA Oversized Trendy Wrap Around Sunglasses for Women Men - Cool Concert Black shades 2000s Retro Round Big Shield Glasses**TYA**$18.30**4.4★**▲ 184%**](https://www.amazon.com/dp/B0CLZT2T6G) [**LYZOIT Square Oversized Sunglasses for Women Men Big Shield Large Rimless Shades Super Dark Black Sun glasses sensitive eyes**LYZOIT**$17.87**4.6★**▲ 172%**](https://www.amazon.com/dp/B09PGYXXHD) [**aisswzber Square Oversized Sunglasses for Women and Men Fashion Flat Top Goggle Siamese Lens**aisswzber**$8.80**4.6★**▲ 154%**](https://www.amazon.com/dp/B0CN2W8W1H)
**~~View all trending →~~**
## **What buyers say about black square glasses**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“The glasses are of outstanding quality”*
**Size-Overall**14%
*“liked the size”*
**Value For Money**11%
*“Great value”*
**Comfort-Overall**8%
*“Comfortable too”*
**Shape/Style**8%
*“Great style”*
**Advertised Vs Actual Product**7%
*“As described”*
**Color**4%
*“love I have two color options”*
**Durability**3%
*“the have not broke”*
**Weight Light**3%
*“They feel lightweight on the face”*
**Strength**2%
*“Solid purchase”*
### **What buyers complain about **
**Size-Overall**21%
*“Too big”*
**Quality-Overall**10%
*“Bad quality”*
**Durability**10%
*“Broke in a week”*
**Blue Light Filter**6%
*“NOT BLUE LIGHT FILTERING GLASSES”*
**Value For Money**6%
*“overpriced”*
**Lenses**5%
*“However the lens smidge easily”*
**Functionality-Overall**5%
*“They do nothing”*
**Color**4%
*“Pale yellow”*
**Strength**2%
*“not very sturdy”*
**Material Quality**2%
*“Cheap material”*
### **Top return reasons **
**Size-Overall**65%
**Shape/Style**6%
**Advertised Vs Actual Product**6%
**Quality-Overall**3%
**Functionality-Overall**2%
**Blue Light Filter**2%
**Color**2%
**Value For Money**2%
**Width**2%
**Comfort-Overall**2%
## **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.
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