Dressing Up Is Fun All Year Round! Check out our large selection of costumes and costume accessories. The Derby hats are sure to be a family favorite! Versatile: Great for Halloween stage, kids parties, or one-on-one playtime year-round. Additional Features: The hat comes in adult and children's sizes. ? Very durable: resistant to most chemicals, stretching and shrinking, wrinkle-resistant, and abrasion-resistant. ? Made of the finest quality plastic materials. ? Do not store heavy objects on top of it, to prevent damage.