Miner Helmet material: ABS, PE color: yellow, red ,white , orange, front lamp slot(put miner lamp) 4 points suspension this miner helmet has following characters .1. material: ABS 2.weight: 400g size:230mm*190mm*140mm3.rachet type adjustment of head strap 4. suspension points headgear 5.with miner lamps' slot.6. Meet CE EN 397 Standard miner helmet