Redding Imperial "Bio Green" case lubricant for sizing and forming has always been a petroleum-based effort. Redding now introduces a new plant-based sizing lube which is highly effective, completely bio-degradable and totally renewable. Imperial Bio Green Case Lubricant sets a new standard for pad applied resizing lubricants. As hunters are the original environmentalists, and as reloaders the first true recyclers, it is appropriate that they continue to look at ways to improve their hobbies and benefit the environment. Imperial Bio Green Case Lubricant can be use on any pad type lubricant applicator and provides superior lubrication capabilities. It will not stain your brass and offers easy water cleanup making it perfect for use with ultrasonic case cleaners.