Prefect for daily/photo use and easy to take off or wear. Unique design, make your kids more attractive. Suitable for kids whose head circumference is between 36cm/14.17′ and 50cm/19.69′. Notes: 1.Please allow 1-3CM differs due to manual measurement. 2.Real color may slightly different from pictures due to computer screen’s resolution, brightness, contrast etc. Hope understanding. Have a nice shopping day.