The Katy Perry Play Hat is a unique and collectible item associated with the artist's Las Vegas residency concert tour. This memorabilia falls under the music memorabilia category, specifically catering to fans of rock and pop music. The hat likely features exclusive designs or branding related to Katy Perry, making it a sought-after piece for her dedicated followers. Perfect for adding a touch of rock and pop flair to any music memorabilia collection, this item is a must-have for fans of the artist.