Package Included: 1pc Alcohol Lamp Adjustable flame: The burner features a wick that can be easily shortened or lengthened, allowing for precise control of the flame size. This makes it suitable for both small and big fire requirements. Portable and convenient: With its tiny size, this alcohol burner is highly portable and can be easily carried around for use in various locations. Whether you're in a laboratory, classroom, or outdoor setting, this burner is a convenient tool to have. Durable and long-lasting: Made from high-quality materials, this alcohol burner is built to last Customer Service:If you encounter any product problems, please feel free to contact us, we will provide you with quality after-sales service