StopButtLitter.com Patented Smart Eco Cigarette Pack Case with an Aluminium Portable Pocket Ashtray, Case and Ashtray 2-in-1 (Blue) Smoker inserts his pack of regular sized cigarettes into the cigarette case After finishing the cigarette only put the cigarette butt into the ashtray and screw the lid back on An ashtray designed to be resistant to outflow of bad smell and to inflammation The capacity of ashtray is approx. 3-4 cigarette butts - perfect for walking smokers Protects cigarettes from breaking and getting wet