2 years & up. Promote safety and protect your children's heads with this Comfortable Toddler's Safety Helmet for Protection During Outdoor Adventures. This safe, attractive helmet is complete adjustable chin straps. Go over bicycle, skateboard, tricycle, or scooter safety with children before they start riding. Features five vents and sturdy foam inside. Clean with mild soapy water. Fits most children with head sizes of 18" to 19.5".