For use on gas or electric stovetops,Features a black nylon heat-resistant handle,Classic Italian method of brewing espresso,Heavy cast Aluminum, octagon shape construction. Simple Instruction: Directions for Use 1. Fill the lower chamber with cold water just below the valve. 2. Insert the funnel and fill it with ground espresso (do not tamp). Remove any coffee grounds on the edge of the funnel 3. Tightly screw the upper part of the pot on to the base. Avoid using the handle for leverage. 4. Select burner size to fit bottom of pot. For gas stovetop, make sure the flame is not larger than bottom of pot. The flame should not come around the sides of the pot. 5. Place pot on the stovetop until the water boils and coffee begins to come out of the center post. There will be a gurgling sound during this process. 6. When the top of the pot is full of coffee, remove from stove. 7. Before pouring coffee, stir it in the upper chamber with a small spoon to equalize all the different coffee layers for optimum flavor.