ABS Industrial Safety Helmet Certificate:ISO 9001:2000 GB2811-2007 Feature:ventilation,rain gutter Color:multi-colors ABS Industrial Safety HelmetStandard:GB2811-2007 ISO 9001:2000Material:ABS(HDPE,PP is available)Color:yellow,red bule,white,orange,green and so onFeature: wide top with rib,made in highly impact resistant and self-extingushing ABS resin to protect from molten metal spitting. 4/6 ...