This is a set of acorn hats. The color is a muted blue. Sizes are: 44-48cm (6 months - 1.5 years) 48-52cm (1.5 years - 4 years) *Age is just a guideline. Made of 100% cotton, so it won't feel scratchy. It was really cute when siblings wore matching hats. Worn 1-2 times. Recommended for autumn/winter outings, photoshoots, etc. *Different colors are also available.