Tanaka 6.4OZ 2Cyc Oil Quantity of (12) bottles: Tanaka # 700207 6.4 Oz, 2 Cycle Stroke Engine Oil Pre-Measured, Each Bottle Mixes With 2.5 Gallons Of Fuel Contains A Fuel Stabilizer That Prevents Fuel From Oxidizing Or Going Stale Smokeless Formulation Reduces Spark Plug Fouling Mixes With Gasoline At A 50:1 Gas To Oil Ratio