Referee Whistle and Cards Icon - Sports Enforcement Symbol #3504147 (License: Personal Use)

This vector-style line drawing features a classic pea whistle in the foreground with two rectangular cards behind it-one upright and one slightly tilted-suggesting a yellow and red card scenario. The design is monochromatic, scalable, and universally recognizable in sports contexts. Its simplicity makes it suitable for digital interfaces, infographics, or educational materials about sports regulations.

This image is typically used on sports rule pages, referee training sites, fan guides, or apps that track match events. It serves users searching for visual metaphors of authority, discipline, or decision-making in competitive sports.