4 Way Screen Protector

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

27 来源

The 4-way screen protector (or 360° privacy filter) has emerged as a high-growth premium segment in the mobile accessories market for 2026. Unlike standard 2-way protectors that only block side-to-side viewing in portrait mode, 4-way technology utilizes microlouver layers to obscure the screen from all four angles (top, bottom, left, right), ensuring privacy in both portrait and landscape orientations Casediymachine Zagg.

Market Trends & Insights (2026 Outlook)

* Rapid Growth: The global smartphone screen protector market is projected to reach $63.6 billion in 2026, with specialized privacy filters growing at a robust 9.3% CAGR Grandviewresearch Alibaba.

* Premiumization: Consumers are increasingly willing to pay a premium ($15–$35) for advanced features like 4-way privacy, HEV blue light filtering, and antimicrobial coatings to protect expensive flagship displays Alibaba Kensington.

* Material Shift: Aluminosilicate tempered glass remains the "gold standard" for 2026, though hybrid PET+PMMA materials are gaining traction in automated vending kiosks due to their shatter-proof nature Casediymachine Grandviewresearch.

* Visual Hacking Awareness: Rising concerns over digital privacy in public spaces and workplaces are driving professionals and commuters toward 360° protection Casediymachine 3M.

Core Product Features

* Privacy Threshold: Typically blacks out the screen at angles beyond 28–30 degrees while maintaining 85–90% clarity for the direct user Casediymachine Facebook.

* Durability: High-end models feature ion-exchange technology, making them up to 5x stronger than standard glass Zagg.

* User Experience: 2026 models prioritize ease of use with alignment trays for DIY installation and oleophobic coatings that make fingerprints virtually invisible Zagg.

Sourcing & Supplier Landscape

Wholesale prices for 4-way tempered glass protectors generally range from $0.50 to $2.50 per unit depending on material quality and order volume. Key manufacturing hubs are concentrated in Guangdong, China (Shenzhen, Guangzhou, and Dongguan).

Sources & References

27 sources cited · Verified industry data & reports

4-Way 360 Privacy Screen For iPhone 16 Plus, Supports ...

StarTech.com

4-Way Privacy and Touch Support. The security filter ensures optimal privacy in portrait or landscape orientations when viewed beyond 30° from the center, ...

Privacy Screen Protectors for iPhone & Android

Belkin

The best protection is made of strong, tempered glass, to maintain the look, feel and performance of your phone's screen while protecting it ...

How well do privacy screen protectors work? : r/iphone

Reddit · r/iphone

i'm considering buying one so people can't snoop but if they're close enough to my screen, how well would they see what's on it? also any recommendations?

Glass 4-Way Privacy XTR Screen Protector

ZAGG

Four-way privacy filter provides 360 full-screen privacy. Protect your screen from cracks, scratches, and prying eyes. s you advanced impact and scratch ...

Your Ultimate Guide to Privacy Screen Protector Materials

casediymachine.com

A 4-way protector blocks the view from all four sides—left, right, top, and bottom—providing privacy in both portrait and landscape orientations.

Laptop Privacy Screens Explained: Types, Benefits ...

Kensington

Reduces Screen Glare & Enhances Eye Comfort. Beyond security, some of our privacy screens come with anti-glare and blue light filtering features ...