Description: Adjustable and Ventilation: Skateboard helmet with adjustable buckle, suitable for most children. The helmet with multiple ventilation holes design, ensure good ventilation and perspiration during exerciseShock Resistant: This helmet adopts ABS outer shell and high density EPS inner shell, thickened soft foaming, comfortable and longevity, provides effective cushioning. The protective gear set is very breathable, lightweight and easy to use, allowing children to enjoy the sports experienceChild Protection: 7 Piece set of elbow pads, knee pads, wrist pads, and helmet. The knee pads for effective cushioning; the wrist pads can effectively protect the palms and wrists, providing your child with all round and protection. The elastic band super elasticity and is not easy to breakSuitable: Our kids skateboard protection set is suitable for skateboarding, biking, bicycle, roller skating, cycling, horseback riding, inline skating, ice skating and other outdoor sportsGift: Bike helmet and pads set will help you protect your children, and it is also a great gift for kids on birthdays, thanksgiving, etc Specification: Material:Helmet: ABS, EPSProtective Gear: PE, Breathable Mesh,?Foaming Size Chart: Helmet Size:?24 cmx20 cmx14.8 cm/9.45 inchx7.87 inchx5.83 inch Package Includes: 1 Helmet1 Pair of Elbow Pads1 Pair of Knee Pads1 Pair of Wrist Guards Note: Please allow slightly errors due to manual measurement and different monitors.