The Gas/Oil Mixing Bottle from T-H Marine is a handy tool that helps you to easily and accurately measure the right amount of oil needed for your two-stroke engine. This bottle has a clear construction and features measurement markings, making it easy to read and measure the correct amount of oil. With a total capacity of 25 ounces, this bottle can be used for a wide range of engine sizes. This mixing bottle is perfect for use on your boat or personal watercraft, ensuring that your engine always has the proper fuel mixture for optimal performance.