IMPACT RESISTANCE:These bike helmets are specially designed for Kids / Child safety protection. Tough and durable PVC & PC, EPS foam which would help absorb the impact and protect the head during impact. COOL and COMFORTABLE:15 air vent let air go through the skating helmet;Super lightweight 260g,bring the head light riding experience. ADJUSTABLE SIZE:These scooter helmets come with adjustable regulator and strap which make it flexible to fit the size of Kids / youth. suitable for 5-14 years old. MULTI-SPORTING GEAR:These kids bike Helmets are flexible and suitable for various outdoor sports, include bicycle, scootering, inline & roller skating,rollerblades. The multi-sport safety helmet would be the essential protective gear for any outdoor sports-lovers. PERFECT CHOICE: The kids/youth helmet with 12 colors is a perfect gift for Children's Day, Birthday and other festival.