Main features:1. Structure and material: the inner lining is cotton, the outer shell is EPS+PC; environmental protection, safety and light weight.2. Humanized design: adjustable size, and has an adjustable chin strap, easy to install and remove. Increase comfort and prevent accidental injury.3. Impact resistance and scratch resistance: The PC shell of the bicycle helmet adopts an integral molding process, which has the characteristics of high strength, durability, impact resistance and scratch resistance. The inner EPS foam provides shock absorption. Suitable for men and women on e-bikes, bicycles, skateboards, scooters, rollerblades and inline skating.4. Size: Suitable for children 2 to 8 years old, head circumference 48 to 52 cm (18.89 to 20.47 inches), suitable for boys and girls.5. Protection: Adjustable buckle cantilever strap with comfort pad and comfort hood. For children who love sports, it can effectively protect their heads. The weight of 600 grams is very light and will not put a burden on the child's neck...Specification:Material: ABS+EPSApplicable gender: boys, girlsApplicable age: childrenProduct weight: 0.65kg (gross weight)Product features: Made of pure safe and non-toxic materials, it protects children's safety and allows parents to use it with peace of mind. The children's helmet uses new materials and the bushing is made of high-quality fabrics.Products include: helmet*1