Description: 【Quality Material】: This Kids Bike Helmet is made from quality foam material, offering breathability and comfort for long term use. 【Comfortable Wear】: The Teens Skateboard Helmet features a hollow design for breathability, with a soft interior lining to ensure comfortable wear during use. 【Comprehensive Bike Helmet Set】: The Roller Skating Helmet set includes 1 helmet, 1 pair of knee pads, 1 pair of wrist guards, and 1 pair of elbow pads to provide effective protection while riding. 【Wide Application】: This adjustable Cycling Helmet set is great for various activities such as cycling, outdoor riding sports, skateboarding, roller skating, and more. You can adjust it according to your needs. 【Practical Gift】: This Protective Gear set makes a practical accessory gift for boys, girls, teenagers, or friends who are into active sports or outdoor activities. Specification: Material: Foam Size Chart: Helmet Size: 26cmx21cmx17cm/10.24inchx8.27inchx6.69inch Knee Pads Size: 16cmx15cm/6.30inchx5.91inch Wrist Pads Size: 15cmx11cm/5.91inchx4.33inch Elbow Pads Size: 13cmx12cm/5.12inchx4.72inch Package Includes: 1 Kids Bicycle Helmet Set Note: Please allow slightly errors 1-2cm differences due to manual measurement.