Iosso Sizing Lubricant and Cleaner: A bio-based solution for effortless case sizing. This 4 oz product cleans and lubricates, preventing stuck cases and extending die life. Easy to use with no residue or odor. Water-soluble, biodegradable, and non-flammable. Inhibits corrosion and rust. Simply coat casings, size, then wipe or rinse before reloading.