Preform PET tubes, round white, crystal clear and black with a content of app. 20 ml. equipped with 28,410 neck. Perfect for geocaching/geotracking, or simply as a convenient storage and/or waste packaging for cigarettes and the like. Handy to carry around to festivals, the beach etc. The loose tubes are available with various closures such as: screw cap, valve cap, childproof cap, spray-pump, dispenser, and trigger pump.