Description: Premium Materials: Crafted from High density foam, PVC, pp, cotton, and Mesh, the children's helmet Set offers great breathability and comfort for long time to useComfortable Wear: Designed with a soft inner lining and breathable materials to ensure a comfortable fit during useComprehensive Set: This roller skating helmet set includes 1 helmet, 1 pair of knee pads, 1 pair of wrist guards, and 1 pair of elbow pads, providing effective support during cycling activitiesVersatile Use: Ideal for various activities such as cycling, outdoor sports, skateboarding, and roller skatingPractical Gift: A thoughtful accessory gift set for boys and girls that combines security with stylish Specification: Material: High Density Foam, PVC, PP, Cotton, Mesh Size Chart: Helmet:24 cmx21 cmx15 cm/9.45 inchx8.27 inchx5.91 inch Package Includes: 1 Kids Bike Helmet1 Pair Knee Pads1 Pair Elbow Pads1 Pair Wrist Guards Note: Please allow slightly errors due to manual measurement and different monitors.