Pure, 100% Synthetic Firearm Lubricant. Zero additives, fillers, or detergents. Non-Biodegradable so it won't deteriorate naturally while on your gun or in the bottle. Non-Toxic and Non-Hazardous. No shaking ever required because it can't separate or settle out. Operating range from -43⁰ F to 547⁰ F. Trusted by top military and civilian gunsmiths. Safe on all finishes. Oil is produced in the USA.