Product details:

Upper and lower bowls are made of heat resistant borosilicate glass, the gasket is made of silicon, stand is made of stainless steel. Includes alcohol burner and reusable cloth filter, also comes with a plastic spoon and a bamboo stirrer. Siphon brew cleaner and smoother coffee by maximizing the essential oils, better retain the original flavor of coffee. Easy to use,easy to clean. Makes about 5 cups, good things are better shared.