set of 4 gibraltar rocks / espresso glasses - 4.5 ounce - for cortado coffee shots - w/ coasters ecodesign-us each glass holds 4.5 fluid ounce. use it for modern cortado/gibraltar coffee drink (one or two shots of espresso with warm milk) or traditional rocks drinks (a 2-ounce pour of whiskey/gin/vodka on the ice cubes). a solid base, paneled shape and traditional design makes these glasses fit perfectly into dinner table setting.