1.two reinforcement at top 2.material you can choose:ABS,HDPE.PP 3.use for electric power, construction 4.colourful JINHUA CITY YONGSHENG TOOLS FACTORY ITEM: HELMET W-009O shellthe shell is made from ABS,high-density PE, PP, you can choose as you likecolour: red ,white ,blue, orange, yellow, green, other colours canbe customizedon the top of shell, there are two reinforcements in order to protect ...