■Safe & Impact Resistant: With an impact-resistant casing made of rugged PVC and a shock absorption system composed of an internal thickened soft sponge and a high density EPS inner shell, this children's safety hat protects the head on impact and avoids injury while exercising. ■Adjustable design: This children's safety hat is made of high-quality materials that can withstand impact and wear. It is lightweight and easy to carry for your kids. The chin with adjuster allows you to the fit for your child's head size. It is ideal for 3-8 year old boys and girls with a head circumference of 53cm-55cm. ■Wide Application: Whether your kids enjoy cycling, street dancing, roller skating, scooter or pedal, this safety hat will provide them with safety protection for various outdoor activities. It is compact and easy to carry around. ■Enjoy a refreshing ride: With this safety hat, your child can stay cool and comfortable on long rides thanks to the various air vents that provide ventilation. The safety hat is also made of lightweight material that prevents excessive sweating and keeps the head clean and dry. ■Exquisite Gifts: This children's safety hat is designed to be simple and user-friendly. It's an excellent gift for kids who want to explore the world on Christmas, Birthday, Thanksgiving, Halloween or Children's Day.