The skull and crossbones is a widely recognized symbol associated with danger, warning, or toxicity. The image features a white skull with two bones crossed behind it, set against a black background. This symbol is often used in various contexts, including warning labels, pirate flags, and Halloween decorations. Its origins date back to the 17th century, when it was used by pirates as a flag to intimidate their enemies. Today, the skull and crossbones is used globally to signify potential hazards or threats. The simplicity and boldness of the design make it easily recognizable, even from a distance. The use of white against a black background enhances its visibility and impact.