Strauss Protective Gear Set, Adjustable Helmet (Blue) Item made material are breathable comfortable and durable, well good for kids (5-15) year Impact resistant: helmet use pp outer shell high-density eps inner shell, thickened soft sponge, comfortable and durable Helmet/elbow/knee and wrist 7pcs a set, bring you all-round and perfect protection while doing sports Adjustable protective gear: the adjustable straps and Velcro closures could be flexible to different sizes of knee elbow and wrist Appropriate for Inline skating/skateboard/riding bikes/ scooters roller blading/ riding a scooter and other extreme sports