SAFETY AND IMPACT RESISTANCE: The helmet provides excellent protection for outdoor sports such as skaters, cycling, skateboarding and in-line skating. Shock and impact resistant. It is made of foam Strong and durable ABS and EPS to absorb shock and protect the head during impact SUPER VENTILATION SYSTEM: Thanks to the design of 11 ventilation openings, the special aerodynamic design and the breathable foam, this helmet reduces sweating and keeps it cool even during sports. This is considered a good choice for skateboards and cycling AVAILABLE SIZE: For a perfect fit, measure the circumference of the head from the center of the forehead to ensure the correct size is selected. S- suitable for 48-54cm (19.6- 21.26), recommended age is 3-8 years old, M- suitable for 54-57cm (21.26- 22, 4), recommended age is 8-13 years old, L- suitable for 57-61cm (22.4- 24.02), recommended for adults ADJUSTABLE: The sports helmet has two adjustable straps and buckles for safety and size adjustment, making it flexible for children of all sizes. It can accompany the growth of children SUITABLE SPORTS: As an ideal skate accessory, this skate helmet is also suitable for many outdoor activities such as rollerblading, inline skating, scooters, bicycles, longboards and skateboards. two wheels Color: black Material: ABS outer shell + high density EPS inner shell + sponge pad Size : M Package includes: 1 x childrens helmet Attention: we will not skate, cycle or play sports without adequate protection, in particular the protection of child safety For maximum protection, the helmet should work well and all straps should be secure.