Carry lifesaving nitroglycerin tablets and aspirin in one handy waterproof contaner. This lightweight little jewel fills a niche in the container market. The main container holds 3 aspirin and the cap is a seperate container holding nitroglycerin tablets. Can be worn on a neck chain, clipped to a key ring or purse eyelet, or simply carry one in your pocket. Made of titanium and will not cause skin irritation.