Prohibition Symbol - Universal “No” Sign for Safety and Restrictions #3733151 (License: Personal Use)

This high-contrast image features a standard prohibition symbol: a thick red circle intersected by a diagonal red line from upper left to lower right, set against a solid black background. The design follows ISO 3864-1 standards for safety signs, ensuring immediate recognition across cultures and languages. Its simplicity and visual strength make it ideal for conveying bans, hazards, or restricted access.

Commonly used in traffic signage, workplace safety protocols, digital interfaces (e.g., disabled buttons), and public notices to indicate prohibited actions or items. Matches user intent for understanding restrictions, compliance guidance, or designing warning systems.