Product Type PE helmet Product Description Name: HC31 helmet use in factories, construction sites or other workplaces, is used to protect the head to prevent falling objects directly impact head. Material: PE with M2 cap sets of subsidiary M1 chinstrap by the EU's current insulation performance test specifications / chin strap resistant to 440 volts (anti-conductive) of Color: yellow (HC31YE), blue (HC31BL), white (HC31WH,) the red (HC31RD), orange (HC31OR) safety certification helmet (HC31) ★ CE, 440V (anti-conductive) cap sets (M2) By ★ the CE cap with / chin strap (M1) by ★ CE ★ ANSI Z89