Sierra 18-9798 2-Stroke Marine Oil Mixing BottleSierra 2-Stroke Oil Mixing Bottle is a re-usable bottle for precise measuring of oil to fuel ratio for your engine.Size: 32 fl. oz.Directions: Determine amount of gasoline you will be mixing and proper oil to gas ratio your engine requires.; Fill bottle with 2-cycle engine oil up to the correct mark for the amount of gas being mixed.; Pour oil into gas container and mix thoroughly.; Interchangeable with: Mallory; 9-82311;