elope Magician with Rabbit Costume Hat Our magician hat costume accessory includes a black velvet top hat and a plush rabbit. This magician hat features a full lining and a secret hidden compartment inside. The magician hat features a velcro size adjuster so it will fit most adults (head sizes 57-61 cm / 22.5-24 inches). Use the secret inner pocket to easily hide and retrieve the small plush rabbit that comes with the hat. The magician costume and cape is available separately from this magician hat.