Harry Potter Hogwarts' School Gryffindor Scarf. This is absolutely perfect to complete your Gryffindor house uniform from Harry Potter's Hogwarts School. In the traditional Harry Potter Gryffindor house colours, this fleece scarf would be perfect to complete your Harry Potter, Hermione Granger or Ron Weasley costume. Available in one-size for adults and children. This is an officially licensed Harry Potter product.