No Phone Zone Sign - Clear Digital Detox Warning Signage #2010291 (License: Personal Use)

The sign features a black background with "NO PHONE" in large red uppercase letters and "ZONE" in white, ensuring maximum visibility. To the right, a red prohibition circle overlays a white smartphone icon, reinforcing the restriction visually. Its high-contrast design meets accessibility standards and works effectively indoors or outdoors under standard lighting.

Used in libraries, classrooms, theaters, hospitals, religious venues, and corporate meeting rooms to signal areas where phone use is prohibited. Matches user intent for finding signage to enforce quiet zones or digital detox policies.