The symbol of Lord Voldemort and his Death Eaters, the dark mark features a deadly skull with snake wrapped around it. Branded on the arm of every Death Eater, they are a mark of darkness and danger. Will you practice the Dark Arts and cast spells with He-Who-Must-Not-Be-Named? The ideal accessory for any Potterhead, this beanie will be ideal for Quidditch practice or shopping in Diagon Alley! As seen in the seven 'Harry Potter' J.K. Rowling novels which, as the biggest-selling book series of all time, have sold more than 450 million copies globally. Also seen in the hugely popular Harry Potter film series, including "Harry Potter and the Philosopher's Stone" (2001), "Harry Potter and the Chamber of Secrets" (2002), "Harry Potter and the Prisoner of Azkaban" (2004), "Harry Potter and the Goblet of Fire" (2005), "Harry Potter and the Order of the Phoenix" (2007), "Harry Potter and the Half-Blood Prince" (2009), "Harry Potter and the Deathly Hallows- Part 1" (2010) and "Harry Potter and the Deathly Hallows- Part 2" (2011).