✖ CIGARETTE BUTTS ✅ BRING A PORTABLE ASHTRAYtincho2018-05-24T08:52:29+00:00 Project Description Cigarette butts A single cigarette butt can contaminate 7 liters of water in one hour. If you don’t want to quit smoking, bring a portable ashtray with you and dispose of your cigarette butts in a responsible manner.