How to use Step 1 Put 1 to 4 tablespoon of coffee grounds in the filter. Step 2 Add the water (starting from the center) in a circular motion to get all the ground wet. You can keep the water level or add the water in stages. Step 3 Let the coffee breathe for 1 to 2 minutes. Double wall glass would the coffee hot during this time. Step 4 Place the filter in the bamboo base and enjoy your coffee. BTaT Pour Over Coffee Maker Double Wall Glass Jar Capacity: 16 ozMaterial: borosilicate glass (non-porous, absorb odors resistance and chemical resistance)Insulated double wall glass: will keep the coffee hot mug longer than any other brewer Measurements: in ML and OZMicrowave safeDishwasher safe Filter Material: Food Grade Stainless Steel Fine mesh inner layer with a laser-cut outer filterFitted base to sit perfectly on top of the jar Perfect extraction timeNo grounds in the coffeeDishwasher safe Base Material: BambooIt works as tray for the glass jar and the filter Hand wash only Care and Clean You can handwash the glass and filter place in the dishwasher Scrub the filter to get all the grinds out after each use bamboo base is only Handwash, Do not soak the bamboo The glass jar is microwave safe, we recommend less than 1 min Specification and Measurements Double Wall Glass Jar Material: Temper Glass (borosilicate); Capacity 16 oz; H 4.5 in, Top Diameter 3.875 in, Base Diameter 4.75 in Filter Material: Food Grade Stainless Steel Diameter 4.25 in, H 2.875in Base Material: Bamboo; L 5.25 in, H 1 in Overall Size Assemble L 5.25 in, H 7.785 in