The pour-over pot and coffee grinder are made of food-grade stainless steel and can last for years; the double-layer glass and strainer are made of high-quality materials for safe and secure use You only need this set of tools to make delicious coffee for 2-4 Person The coffee bean grinder has 6 gears, you can adjust the grinding thickness according to your own preferences, and the grinder is easy to operate This coffee tool set comes with a metal storage box for easy storage and easy portability, allowing you to make and enjoy delicious coffee anytime, anywhere Hand brewed coffee requires a very delicate water flow, so it is recommended to use a special fine-mouth coffee pot. After the water is boiled, let it cool slightly, making the water temperature between 85-95 degrees Celsius more appropriate