Size: 2.6 oz.High Performance Two-Cycle Oil Has Been Developed To Give A Long Trouble Free Life To Gasoline-Powered Two Cycle EnginesDesigned For Any Oil Injection System or Pre-Mix Up To 50:1Semi Synthetic Two-Cycle Oil Uses An Advanced "Smokeless" Formula Specially Blended From Mineral Oil, Synthetic Oil And A Low Ash Additive PackageAlso Contains Exclusive Detergents And Lubricants For A More Thorough Burning Of The Fuel