Superslick's AlphaSynth Valve & Rotor Oil is the perfect balance between odorless high quality synthetic lubricants and a synthetic solvent, blended to a light viscosity. This unique balance cleans the valve or rotor while lubricating so that the player can keep on playing. The lubricant also will not stain and has a high resistance to oxidation. Most importantly, AlphaSynth is completely safe for classroom use. Made in Elkhart, Indiana, USA. 2 ounce / 60 ml bottle.