Fits most car cup holders. 2.7 inches in diameter, 4.74 inches in height.280gr(10oz) Cigarette butts directly throw into the ashtray,it will automatically extinguished in the ashtray due to lack of oxygen Narrow mouth design prevents smoke from escaping in the car or soot flying out It made of stainless steel so it doesn't get burned like the plastic ashtrays when putting out cigarettes,its' a permanent solution. High grade stainless steel is safe and fireproof, extremely durable, easy to clean. Every time after cleaning, it's like new. This ashtray can be used for many years