Cigarettes are the most polluted matter in the world, and end up in our waterways after rainfalls. This pocket ashtray allows you to extinguish cigarette butts and store them until they can be properly disposed. Also suitable for chewing gum or other disposable material. Convenient 3 1/8" x 2 1/8" size fits in your pocket or purse. Made from sturdy plastic with a slide-out cover and a metal liner.