Material:ABS,PE,PP,HDPE Anti-shock Light weight,Good strength,Good toughness Petroleum, chemical, power ,construction, mining ... , pull to adjust is okSpecific: Withstand a weight of 5kgs falling on to it if dropped 1 mete, can be ... code GH060DescriptionSafety helmet with V rib with 6 cooling vents on top of the shellMaterialShell-ABSWeight380gAccessoriesFabric tape, buckle, pinlock, ratchetColourRed ...