Material: Precious material combination of Cromargan stainless steel matt finish and heat resistant WMF glass | Volume: suitable for 8 cups | Item number: 0630796030 Popular and easy preparation method for coffee. Application: Add coarse ground coffee into the glass container for each cup. Coffee that is ground too finely can plug the filter and generate high pressure when pressing down in the glass. Coffee must be brewed with hot water NOT boiling water. On top All parts are dishwasher safe. The strainer should be disassembled and cleaned frequently. Operating instructions included. For eight cups Material: Cromargan rustproof 18/10 stainless steel, WMF mouth-blown polished glass Designer: Sebastian Bergne, London WMF fireproof glass