The Classic Chemex pour-over coffee maker is a manual coffee maker that can brew up to 8 cups of espresso-style coffee using ground coffee. Made of clear glass with a 9.5-inch capacity, it features easy-to-clean components . This stylish and functional kitchen appliance is perfect for coffee enthusiasts looking for a convenient and efficient way to make their favorite espresso drinks at home. Borosilicate glass construction and distinctive wood collar. non porous glass that does not absorb odors or chemical residues. no problems with it.