Turn Cell Phones Off Sign - Clear No Phone Policy Indicator #2010290 (License: Personal Use)

The image features a black-and-white cell phone icon overlaid with a bold red circle and diagonal slash, signaling prohibition. Below the graphic, uppercase sans-serif text reads “TURN CELL PHONES OFF,” ensuring high legibility from a distance. The design follows ISO safety signage conventions for universal comprehension across languages and cultures.

Commonly displayed in environments requiring silence or electromagnetic interference prevention-such as cinemas, hospitals, laboratories, airplanes, and exam halls-to enforce policy compliance and minimize disruptions.