About this item PREMIUM PROTECTION FOR KIDS – Kids helmet is made of PC shell and thick EPS foam lining which features impact resistance and durable will keep your child’s head safe from bumps and bruises. ? ADJUSTABLE FITTING – Head Circumference: S 49-55cm (about 250g), M 52-58cm (about 310g), L 58-61cm (400 g),The kids lightweight cycle helmets equipped with adjustable straps and a rotatable dial which makes it flexible to fit perfectly for your kid’s head circumference. ? GREAT VENTILATION – The toddler helmet with air vents ensures optimal airflow. The adoption of specialized aerodynamic and ventilation design that allows the kid to remain cool in high temperatures and lets moisture evaporate, reduces the high body temperature caused by intense body movements. ? WIDE APPLICATION AND IDEAL GIFT – Sports toddler helmet is compatible with many sports to keep your kids safe, such as outdoor skating, cycling, biking, snowboarding, and riding a scooter/balance bike, etc. It is a great holiday gift for boys and girls,as a Children’s Day gift, Christmas gift, birthday gift, and other festival gifts. ? 100% SATISFACTION GUARANTEE – We are committed to customer experience, and offer quality assurance and lifetime professional customer service. Please feel free to contact us anytime. Our friendly and reliable customer service will respond to you within 24 hours!