Deluxe Harry Potter Robe Costume - Large This kids Gryffindor costume includes a deluxe Harry Potter robe with embroidered Gryffindor patch and clasp. This Harry Potter robe comes in child sizes Small, Medium, Large. This Harry Potter robe is an officially licensed Harry Potter costume. Harry Potter Gryffindor necktie, Harry Potter wand and Harry Potter glasses are available separately from this kids Halloween costume.