What are the key characteristics of masks?

Masks typically serve to cover the face for various purposes, including protection, anonymity, or artistic expression. Key characteristics include their design, which can vary widely from simple cloth or surgical masks to elaborate ceremonial or theatrical masks. They can be made from diverse materials such as fabric, plastic, or paper, and often incorporate features like filters or adjustable straps for comfort and fit. Masks also hold cultural significance in many societies, symbolizing rituals, traditions, or social commentary.