Prohibition Sign Icon - Universal No Entry Symbol #9 (License: Personal Use)

This iconic prohibition symbol consists of a bold red circle with a diagonal red slash across a black background, universally recognized to denote "not allowed" or "forbidden." Its high-contrast design ensures visibility and immediate comprehension across cultures and contexts, from traffic signage to digital interfaces. It is commonly used in safety, regulatory, and user interface design to communicate restrictions clearly and unambiguously.

Used on warning signs, web forms (e.g., disabled buttons), app interfaces, traffic control, and safety documentation; matches user intent to understand restrictions, prohibitions, or disabled actions.