This is a Synthetic 2-Stroke Oil from HPI for Gasoline R/C Applications FEATURES: Meets or exceeds manufacturer warranty requirements Field tests suggest this oil provides: faster, easier starts less plug fouling reduced smoke output full protection against rust and corrosion Also works well as after-run lubricant INCLUDES: One 3.4oz (100cc) Bottle of HPI Modelube 2-Stroke Synthetic Oil REQUIRES: This is a lubricant and requires mixing with gasoline in appropriate ratio. (chart on bottle) COMMENTS: NOT FOR USE WITH GLOW ENGINES. JMLM 3/4/11 ir/jxs