Size: Hat circumference 42-62 cm (size can be adjusted)

Material: The surface layer adopts an environmentally friendly sandwich breathable layer. The inner liner is made of soft pure cotton sweat absorbing layer, providing 360 degree protection for the baby and all-round breathability. Don't worry about stuffy weather in summer.

Suitable age: From 6 months to 6 years old, it is universal. (Measure the baby's head circumference before purchasing)