Frankford Arsenal 4.5 lb Treated Corn Cob Media in a Reusable Plastic Container for Tumbler, Reloading and Shooting Bags SPECS: 4.5 lb of media in a plastic reusable container ACCURACY: Corn polishes better than walnut and walnut cleans better than corn 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