A shallow cylinder with a flat base that rests on a table is the most popular ashtray style. Due to the growing use, other ashtrays, particularly in public places, are wall-mounted and larger than normal tabletop ashtrays. There are also ashtrays that double as trashcans in public places. An ashtray is a container for cigarette and cigar ash. Fireproof materials such as glass, heat-resistant plastic, earthenware, metal, or rock are commonly used for ashtrays, on the market for rent