No need to steal them from Filch's Inn, now you can own your own official Granite Spire Brewery Krug.  

Your ice-cold beverage deserves a cool and frosty home. Whether you enjoy a frothy brew or softer refreshment, this frosted beer mug will help quench your thirst. Its balanced weight helps retain your drink’s cool temperature and keep your glass firmly upright. 16 oz. Dishwasher and freezer safe. Do not place in the microwave.