Kids Helmet Set Adjustable Helmet For Children, Boys, Girls And Teenagers Aged ?Multi-Functional Protective Gear?Kids Helmet and Kids Knee Pads Knee pads are designed for the safety and protection of children's sports, made of impact-resistant ABS shell and high-density EPS inner shell, thickened with soft sponge inside, comfortable and durable Especially suitable for ice and roller skating , skateboards hoverboards, , skating and so on. Our goal is to keep our children away from injuries while enjoying the fun of sports. [PREMIUM BREATHABLE DESIGN?Our helmet has special multiple vents design and breathable foam, which can help your child feel cool and comfortable even during strenuous physical exercise. By twisting the adjustable dial buckle, it can be easily adjusted to the most suitable position for your child. These high quality liners are not only durable for many years, but also breathable. ?Kids Helmet?Designed for toddlers, boys and girls, small size is 18.5-21.6 inches/47-55 cm, medium head circumference is 21.6-23.2 inches/55-59 cm, perfect for skateboarding, longboarding,scootering, ice skating, riding, etc., providing comfortable sports for your kids. ?PREMIUM BREATHABLE DESIGN?Our helmet has special multiple vents design and breathable foam, which can help your child feel cool and comfortable even during strenuous physical exercise. By twisting the adjustable dial buckle, it can be easily adjusted to the most suitable position for your child. These high quality liners are not only durable for many years, but also breathable. Stay cool and clean while cycling, riding, biking and skateboarding. ?Customer Service?Please feel free to order our children's helmets are so lightweight that kids won't get tired after hours of wearing them without sacrificing safety. It is sturdy and durable so kids can use it for a long time. If our product does not meet your current standards, please send it back to us for an exchange.