- Premium MaterialThis stylish children's bicycle helmet is made of quality PP foam and PC board, featuring an integrated lightweight design. It offers great impact and shock protection, as well as cushioning effects._x000D_ - Ventilated & Comfortable WearThe streamlined structure of this children skateboarding helmet includes ventilation holes to keep the head fresh and comfortable for long periods of wear._x000D_ - Adjustable FitSuitable for head circumferences between 52cm-58cm/20.47 inches-22.83 inches, this children's bicycle helmet features adjustable side straps and chin pads for a secure fit._x000D_ - Suitable ForThe sporting helmet is suitable for kids 3-10 years old, with its lightweight, breathable and comfortable design that effectively reduces wind resistance._x000D_ - Wide ApplicationThis fashionable bicycle helmet is ideal for outdoor travel, cycling, skateboarding, etc. Also a great gift choice for boys and girls on birthdays, holidays, festivals, etc._x000D_ _x000D_ Specification:_x000D_ - Material: PC PP_x000D_ Size Chart:_x000D_ Suitable for Head Circumference 52cm-58cm/20.47inch-22.83inch_x000D_ _x000D_ Package Includes:_x000D_ 1 Kids Bike Helmet _x000D_ _x000D_ Note:_x000D_ Please allow slightly errors due to manual measurement and different monitors.