Features: Adopting lovely animal designing to enhancing cycling pleasure. more stylish while riding, while also attracting children's attention and increasing their willingness to wear. PC and integrated with buffer layer, effectively dispersing shock. Suitable for daily commuting, outdoor cycling and other scenarios, providing users with full protections. The design reduces the overall weight of the helmet, making it easy to wear for a long time without any burden. Especially suitable for long-distance cycling or long-term skateboarding, ensuring comfort. The helmet is equipped with multiple ventilation holes to keep the head dry. Suitable for cycling or high-intensity exercise, enhancing the user's wearing comfort. Multi purpose, not only suitable for cycling, but also compatibility with various sports such as roller skating and balance bikes. Providing comprehensive safety protections for parent-child activities and family outings is great for sports enthusiasts. Specifications: Component: Integrated molded shell PC and buffer layer Type: refer pictures to selection please Size: Suitable for head circumference 47-54cm/18.5-21.26inch Practicality: Suitable for bicycles, roller skating, balance bikes and other cycling activities, providing comprehensive safety protections, especially suitable for children and teenagers. Package Includes: 1 Piece Children's Helmet Hat note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.