Features: 1.EPS foam, 4-hole powerful ventilation design 2.The air holes are used to help the head heat and ventilate, and can keep the hair dry during long-distance riding. 3.High-quality PC and EPS impacts-resistant materials, better protect the child's head. 4.Adjustable, fit most kids, safe and secure 5.Can be used while riding a bicycle, balance bike, scooter, etc. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement 1.Name: 4-hole helmet + composite mine protective gear (Because the child is in the growth stage, the helmet should not be too heavy, otherwise it will crush the neck) 2.Color: blue, pink, red 3.Material: white foam, good protection performance, quick-wearing buckle device, not broken by weather. 4.Function: Helmet is an important safety protection equipment in roller skating. Although children will not fall to the head most of the time, once they fall to the head, the helmet does not have enough protection. The consequences are predictable. Package List: 1 x Children Helmet