Kuulla kids adjustable helmet for boys and girls aged 3-8! Kuulla kids helmet provides more funny to your kids. Protect the comfort and impact resistance of children. The reinforced ABS shell and thickened shock-absorbing EPS core provide firm protection in skateboarding, skating, and riding. Adjustable Size Crank adjustment dial in the back of helmet is adjustable to fit kids comfortably from 360 degree. Adjustable Straps For Better Fit The bicycle helmet is equipped with adjustable straps for children to adjust flexibly for a better fit. Due to the use of high-quality lightweight materials, this skating helmet does not put extra pressure on the head. Children wear helmets safely and comfortably. Shock-absorbing EPS foam The thick shock-absorbing EPS foam can absorb pressure. This helmet uses a well-made EPS foam cover to make it more durable and beautiful 11 air vents, cool and comfortable Special aerodynamic design and breathable foam can reduce sweating and keep cool. It can also reduce high body temperature caused by strenuous body exercise. Read more The Perfect Gift Choice Children’s protective gear, a great holiday gift for your boys and girls! It is a good choice as children's day gifts, Christmas gifts, birthday gifts and other holiday gifts. Your child will be very happy to receive your gift! Perfect Design Size: 48-52 cm (18.9-20.5 inches) Material: Polyester & EPS Helmet Style: Half Shell with vent hole Suitable users: Toddler / Kid / Child Liner Removable and Washable: Yes Adjustable Fit: Yes Best for Kids: 3-7 Years Old Suitable Sports Cycling Mountain biking BMX biking Hiking Camping Rock climbing Scooter Skating Skateboarding Street dance Read more Kids Helmet Kids Bike Helmet Toddler Skateboard Helmet Adult Bike Helmet Toddler Bike Helmet Age Group 2-12 years old 3-14 years old 3-8 years old Over 14 years old 3-14 years old Size Range XS(18.9-19.7 inch) S(20-22 inch) S(18.9-20.5 inch) M(20-22 inch) 18.9-20.5 Inch M(21.6-22.8 in/55-58cm) L(23-24 in/59-61cm) S(18.9-20.5 inch) M(20-22 inch) Adjustable ✓ ✓ ✓ ✓ ✓