Uses a high viscosity of 5000 CP to provide excellent part lubrication No strong solvent added making it safe to use on rubber and metal Heat resistant silicone lubricant Keeps your gun working and firing smoothly Exceptional choice for lubricating rubber O-rings and seals Prolongs life of components in all airsoft guns In the Box 1X Canister of Silicone Lubricant Specifications: Brand Puff DinoBuild Silicone LubricantCompatibility All Airsoft Rifles/Pistols California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov