This Disney bike helmet is perfect for your kids! The lowered side and rear protection keeps little ones safe as they explore the world on their bikes. A stylish integrated visor looks great and keeps the sun out of their eyes and off their face. The Lazer Autofit Retention System automatically adjusts to the rider's head, making the helmet quick and easy to fit—simply place it on your head and let the Autofit work its magic. The helmet is made with in-mold technology. The Lazer Comfort Buckle fits under the ear to prevent chin pinches when fastening the strap. Specifications: Color: Purple Outer shell material: Polycarbonate Inner shell material: EPS foam Gender: Girls Ventilation: 12 vents Head circumference: 52-56 cm