Collector is a long term storage preservative for firearms and other sports equipment. It was developed for the military to protect weapons for up to 5 years in storage. Can be used on all metals and finishes, will not break down to form waxy residues. Weapons can be fired without cleaning or removing Collector. Outstanding for preventing damage or rust spots from moisture or finger prints. 4 oz. dropper bottle w/straw.CANNOT BE SHIPPED OUT OF THE U.S.This item can only ship UPS Ground within the continental United States. Mfg: Break Free