The horses are celebrating too! Party Hats - Happy Horse - 6 pieces. Contains: 6 party hats. You can use this article for the following party occasion(s): Children's party, Birthday, Theme Parties. These cheerful party hats are 16 cm high. There are two designs: one with a white horse against a lilac background and one with a grey horse against a soft pink background. The hats are flat packed and can easily be folded into a hat. The elastic bands keep the hats on the head. These party hats are part of the Happy Horses collection by Folat. This item is made of paper.