As the helmet equips four air vent holes and adjustable straps, it is breathable and comfortable to wear. And it can protect head from injuries.Since the protective pads are impact resistant and shock absorbent, they can protect the knee, elbow, and wrist of your children from hurts respectively.Made of EPS and PC material, it is durable.The kids roller skate protector set is available in 3 colors.It is great for various sports, roller skating, bicycle cycling, skateboard and more.Item Name: Children HelmetMaterial: EPSSuitable Age: 4-6 Years Old KidsFeatures: Comfortable, Shockproof, BreathableSize Details: Package Size: 10cm x 5cm x 5cm/3.94" x 1.97" x 1.97" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Helmet2 x Knee Pads2 x Elbow Pads2 x Wrist Pads