16 OZ, 2 Cycle, Green Engine G-Oil, Ultimate Biodegradable, 474 ML, For Garden/Rec, Meets API Service Category TC For 2 Cycle Air Cooled Outdoor Engines, Highest Ranking As Determined By ASTM Standards 2.1 ASTM D-5864, Flashpoint 262, Recommended Mixing Ratio; 16:1 16 OZ Of Oil To 2 Gallons Of Gas, 24:1 16 OZ Of Oil To 3 Gallons Of Gas, No Smoke, Will Not Harm The Equipment Operator, Not Classified As Hazardous To Humans Or Dangerous To The Environment, Simply Wash With Soap & Water After Handling, Must Biodegrade 60% Within 28 Days.