These cute Prismatic Party Hats are sure to be a hit at your next Birthday Party Bash! Perfect for children or adults these Prismatic Party Hats are made of cardstock material, and they come to a point at the top like a cone hat. There's elastic attached to help hold it on your head. The Prismatic Party Hat measures six and a quarter inches tall. The Prismatic Party Hats have a pretty prismatic design. If you love these hats, then you'll really like the Fringed Party Hats, or the Happy Birthday Hats.