Frankford Arsenal Treated Walnut Hull Media for Tumbler and Reloading SPECS: 5 lb of media in a plastic reusable container ACCURACY: Walnut cleans better than corn and corn polishes better than walnut EASE OF USE: Just pour into the tumbler of your choice and get to cleaning. This media is already treated with brass polish to make brass even shinier VERSATILITY: Can be used to clean/polish media in a brass tumbler and can also be used to fill shooting bags for the range DURABLE: Can be used multiple times before needing to change out with new media