Ravenclaw house crest glass etching inspired by the Harry Potter series. Now you can drink your beer, or any other beverage in style while geeking out a little. These are thick, high quality beer mugs that are made to last. These mugs can each fit a little bit over a pint (16oz), and are perfect for every occasion. All of these items are handmade, therefore, there might be slight differences from one item to the next. That being said, the quality of the product will not be hindered. Each glass in essence is unique.