The Child World Book Day Girls Warner Bros. Deluxe Hermione Robe Fancy Dress Costume is a black polyester costume inspired by the character Hermione from Harry Potter. Perfect for Book Week or for fans of the TV and book series, this costume is designed to help girls dress up as their favourite character from the magical world of Hogwarts. The high-quality material and attention to detail make this robe a standout choice for any book-loving child looking to channel their inner Hermione.