---
title: "Computer Privacy Screen 21.5 Inch — $35K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/computer-privacy-screen-21-5-inch"
last_updated: "2026-08-11T15:48:52.390Z"
locale: en
meta:
description: "Niche score 50/100 · $35K/yr market · 9K searches/yr · $39.31 avg price. A small market ($35K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $35K/yr market · 9K searches/yr · $39.31 avg price. A small market ($35K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Computer Privacy Screen 21.5 Inch — $35K/yr Amazon US Niche (2026) - Flapen"
---
# **computer privacy screen 21.5 inch**
**Worth a look**
Shows a sweet-spot price point ($39.31 avg), but a small market ($35K/yr) keeps it on the watch list.
Market size 9Growth 47Conversion 89Competition 28Returns 22Price range 95Avg price 95Brand share 62Review moat 47Quality gap 80
**Avg price**
**Incredible****$39.31**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$21.95–$60.85**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****10.6%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+17.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****1,818.19**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Bad****5.8%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$35K**
$35K/yr · 9K searches
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, computer privacy screen 21.5 inch is a $35K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 50/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **computer privacy screen 21.5 inch market data**
- **Units sold / yr**
- **1K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$49K–$59K**
- units × avg price
- **Conversion rate**
- **10.6%**
- **Avg BSR**
- **#76**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **4.7%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **198 days**
## **Competition & brand share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▲rising
**Sellers**
**25**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**27%**
- Mamol21% - Izmapaic17% - Peslv15% - Vxaop9% - YAKAI5% - RedANGEL5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +17.5% search growth over the last 90 days.
2K2KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 8.9×
[**Open Trend **](https://flapen.com/research/us/electronics/computer-privacy-screen-21-5-inch/trend)
## **Top computer privacy screen 21.5 inch search terms**
- **21.5 inch privacy screen for monitor**4K/yr+34.2%10.8% conv. - **computer privacy screen 21 inch**3K/yr-19.9%4.8% conv. - **computer privacy screen 21.5 inch**1K/yr+80.5%4.8% conv. [**All search terms **](https://flapen.com/research/us/electronics/computer-privacy-screen-21-5-inch/search-terms)
## **Top computer privacy screen 21.5 inch 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%10%$4K20%$7K30%$11K40%$14K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1![Mamol [2 Pack] 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Eye Protection Anti Glare Blue Light Computer Monitor Privacy Filter Removable Anti-Scratch 21in Protector](https://m.media-amazon.com/images/I/41lHEDTyCML.jpg)**Mamol \[2 Pack\] 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Eye Protection Anti Glare Blue Light Computer Monitor Privacy Filter Removable Anti-Scratch 21in Protector**Mamol**$47.01**4.2★1,563 rev](https://www.amazon.com/dp/B0CJR5T6JT) [2**Izmapaic Computer Privacy Screen Filter for 21.5 Inch 16:9 Widescreen Monitor Anti-Spy/Anti Glare Protector Office Accessories - WxH: 18 3/4 x 10 9/16 (476mm x 268mm)**Izmapaic**$24.42**4.5★364 rev](https://www.amazon.com/dp/B0C3VJ95C5) [3![Peslv [2-Pack] 21.5 Inch Privacy Screen for Computer Monitor 16:9 Aspect Ratio Eye Protection Anti Blue Light Glare Shield 21.5inch Removable Black Blackout Anti Spy Desktop Security Private Filter](https://m.media-amazon.com/images/I/51s7YHMvwlL.jpg)**Peslv \[2-Pack\] 21.5 Inch Privacy Screen for Computer Monitor 16:9 Aspect Ratio Eye Protection Anti Blue Light Glare Shield 21.5inch Removable Black Blackout Anti Spy Desktop Security Private Filter**Peslv**$48.32**4.2★6,331 rev](https://www.amazon.com/dp/B0C9L8J6XL) [4![Vxaop [2-Pack] 21.5 Inch Computer Privacy Screen Filter(16:9 Aspect Ratio)](https://m.media-amazon.com/images/I/31qagW8NYuL.jpg)**Vxaop \[2-Pack\] 21.5 Inch Computer Privacy Screen Filter(16:9 Aspect Ratio)**Vxaop**$32.64**4.7★57 rev](https://www.amazon.com/dp/B0FVSPXCH5) [5**YAKAI 2 Pack 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Computer Monitor Privacy Filter Removable Protector Film**YAKAI**$32.09**0.0★0 rev](https://www.amazon.com/dp/B0GLY54PYY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**YAKAI 2 Pack 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Computer Monitor Privacy Filter Removable Protector Film**YAKAI**$32.09**0 rev5mo ago](https://www.amazon.com/dp/B0GLY54PYY) [![[2-Pack] Privacy Screen For Computer Monitor 21.5-Inch 16:9 Aspect Ratio; Anti Spy/Bule Light/Glare And Eye Protection 2 Install Ways Removable For Office Airport Cafe And Other Public Area; Diagonal 21.5 Inches Width 18.74 Inches Height 10.54 Inches](https://m.media-amazon.com/images/I/41KK-2+VhrL.jpg)**\[2-Pack\] Privacy Screen For Computer Monitor 21.5-Inch 16:9 Aspect Ratio; Anti Spy/Bule Light/Glare And Eye Protection 2 Install Ways Removable For Office Airport Cafe And Other Public Area; Diagonal 21.5 Inches Width 18.74 Inches Height 10.54 Inches**ZOEGAA**$45.54**6,702 rev7mo ago](https://www.amazon.com/dp/B0G5FLTQYG) [![2-Pack 21.5-inch Magnetic Privacy Screen for 16:9 Computer Monitor Snap-On Removable 21in Matte Anti Glare Blue Light Spy Filter Screen Cover Private Shield for Desktop PC [Support Curved Monitor]](https://m.media-amazon.com/images/I/41sFlrDzhEL.jpg)**2-Pack 21.5-inch Magnetic Privacy Screen for 16:9 Computer Monitor Snap-On Removable 21in Matte Anti Glare Blue Light Spy Filter Screen Cover Private Shield for Desktop PC \[Support Curved Monitor\]**IPROKKO**$60.85**687 rev9mo ago](https://www.amazon.com/dp/B0FX49NHKK) [![[2 Pack] 21.5 Inch Computer Privacy Screen Filter for Monitor 16:9 Aspect Ratio Eye Protection Anti Blue Light Privacy Shield and Anti-Glare Protector 21.5inch Removable Anti-Scratch 21.5in Protector Film](https://m.media-amazon.com/images/I/41C0jXcy9eL.jpg)**\[2 Pack\] 21.5 Inch Computer Privacy Screen Filter for Monitor 16:9 Aspect Ratio Eye Protection Anti Blue Light Privacy Shield and Anti-Glare Protector 21.5inch Removable Anti-Scratch 21.5in Protector Film**pandcliny**$37.80**50 rev1y ago](https://www.amazon.com/dp/B0FG8CZY62) [**2 Pack 21.5 Inch Privacy Screen for Computer Monitor Eye Protection Anti Glare Computer Screen Cover Removable Anti-Scratch Computer Screen Privacy Shield for 21.5 16:9 Aspect Ratio Monitors**ANTOGOO V**$44.30**51 rev1y ago](https://www.amazon.com/dp/B0F5WQ8YB1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**YAKAI 2 Pack 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Computer Monitor Privacy Filter Removable Protector Film**YAKAI**$32.09**0.0★**▲ 301%**](https://www.amazon.com/dp/B0GLY54PYY) [![2-Pack 21.5-inch Magnetic Privacy Screen for 16:9 Computer Monitor Snap-On Removable 21in Matte Anti Glare Blue Light Spy Filter Screen Cover Private Shield for Desktop PC [Support Curved Monitor]](https://m.media-amazon.com/images/I/41sFlrDzhEL.jpg)**2-Pack 21.5-inch Magnetic Privacy Screen for 16:9 Computer Monitor Snap-On Removable 21in Matte Anti Glare Blue Light Spy Filter Screen Cover Private Shield for Desktop PC \[Support Curved Monitor\]**IPROKKO**$60.85**4.1★**▲ 296%**](https://www.amazon.com/dp/B0FX49NHKK) [![[2-Pack] Privacy Screen For Computer Monitor 21.5-Inch 16:9 Aspect Ratio; Anti Spy/Bule Light/Glare And Eye Protection 2 Install Ways Removable For Office Airport Cafe And Other Public Area; Diagonal 21.5 Inches Width 18.74 Inches Height 10.54 Inches](https://m.media-amazon.com/images/I/41KK-2+VhrL.jpg)**\[2-Pack\] Privacy Screen For Computer Monitor 21.5-Inch 16:9 Aspect Ratio; Anti Spy/Bule Light/Glare And Eye Protection 2 Install Ways Removable For Office Airport Cafe And Other Public Area; Diagonal 21.5 Inches Width 18.74 Inches Height 10.54 Inches**ZOEGAA**$45.54**4.3★**▲ 284%**](https://www.amazon.com/dp/B0G5FLTQYG) [![Vxaop [2-Pack] 21.5 Inch Computer Privacy Screen Filter(16:9 Aspect Ratio)](https://m.media-amazon.com/images/I/31qagW8NYuL.jpg)**Vxaop \[2-Pack\] 21.5 Inch Computer Privacy Screen Filter(16:9 Aspect Ratio)**Vxaop**$32.64**4.7★**▲ 159%**](https://www.amazon.com/dp/B0FVSPXCH5) [**2 Pack 21.5 Inch Privacy Screen for Computer Monitor Eye Protection Anti Glare Computer Screen Cover Removable Anti-Scratch Computer Screen Privacy Shield for 21.5 16:9 Aspect Ratio Monitors**ANTOGOO V**$44.30**4.3★**▲ 129%**](https://www.amazon.com/dp/B0F5WQ8YB1)
**~~View all trending →~~**
## **What buyers say about computer privacy screen 21.5 inch**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**42%
*“Does the job exactly as it advertises”*
**Assembly/Installation**42%
*“Easy to install”*
**Quality-Overall**8%
*“Great product”*
**Adhesion/Stickiness**8%
*“Have no problems with adhesives or fit”*
### **What buyers complain about **
**Advertised Vs Actual Product**100%
*“Beware of the descriptions”*
### **Top return reasons **
**Size-Overall**78%
**Functionality-Overall**4%
**Advertised Vs Actual Product**3%
**Security**2%
**Compatibility-Overall**2%
**Adhesion/Stickiness**2%
**Length**1%
**Display Resolution**1%
**Display Viewing Angle**1%
**Value For Money**1%
## **Common questions**
- **Is computer privacy screen 21.5 inch profitable to sell on Amazon United States?**
- The niche generates $35K/yr across 16 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +17.5%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the computer privacy screen 21.5 inch niche?**
- 16 brands and 25 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in computer privacy screen 21.5 inch?**
- Top complaints mined from reviews: Advertised Vs Actual Product. The return rate is 5.8% — above our launch gate.
- **When does demand for computer privacy screen 21.5 inch peak?**
- Demand peaks in Apr–May; the busiest month runs 8.9× the quietest.
- **What does it cost to enter the computer privacy screen 21.5 inch niche?**
- Listings span $21.95–$60.85; the average listing price is $39.31 (sweet spot $15–$100). The average incumbent carries 1,818 reviews — the moat a new listing must climb.
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