1、The helmet is made of EPS and PC material, light in weight, and absorbs energy through deformation and fragmentation to ensure safety. 2、Products are often used in cycling, speed skating and roller skating, to ensure head safety in sports. 3、Unique and reasonable design, streamlined, drag reduction and breathable shape. 4、Multi-hole design, unique and beautiful shape design, fashionable style, breathable and comfortable, with convenient belt. 5、Helmets are not easy to fall off even when they are hit violently, so they can better protect user's safety.​ Feature: The helmet is made of EPS and PC material, light in weight, and absorbs energy through deformation and fragmentation to ensure safety. Products are often used in cycling, speed skating and roller skating, to ensure head safety in sports. Unique and reasonable design, streamlined, drag reduction and breathable shape. Multi-hole design, unique and beautiful shape design, fashionable style, breathable and comfortable, with convenient belt. Helmets are not easy to fall off even when they are hit violently, so they can better protect user's safety. Specification: Material: EPS+PC Color: Black and blue Product dimension: 27 * 17 * 20cm / 10.6 * 6.7 * 7.9in Package list: 1 * Bicycle Helmet Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.