Stainless Steel Tumbling Media is sold in 5lb bags. This media is perfect for OXYGEN CLEANING applications. It can remove the final indications of rust or corrosion. Any by-products which happen to adhere to the media can be removed by cleaning the media with a product such as blue gold. Once the media shows no signs of hydrocarbons or residues, it is ready to be used again in another cylinder. Its difficult for contaminates to adhere to the metal structure.