kook cortado / gibraltar rocks glass set, for drinking espresso, whiskey, bourbon, shot glasses, 4 oz, set of 6 kook the perfect fusion of sleek design and functionality, these cortado glasses will whisk you off to french bistro heaven. made from high-quality glass with an elegant paneled design for maximum clarity and durability. they have a weighted base that's satisfying to hold and comfortable to sip. perfect for enjoying espresso, whiskey, bourbon or scotch right at home or at the bar.