HARRY POTTER Patronus Drinking Glasses. Officially licensed merchandise. Enjoy a drink with a friend and have your very own guardian looking over you with these beautiful Patronus Drinking Glasses. This set of two printed glass tumblers feature a stag and a deer Patronus, both in a swirly, electric blue design on a dark background. On the back, one glass features the Hogwarts crest in the same coloured design and the other has the infamous Deathly Hallows logo. A perfect gift for a true Harry Potter fan.