... . Material: PE 2. Certification: CE & ANSI Safety helmet:1. Material : PE, injection molding with high quality.It can made by ... uncrack, puncture protect,3. Weight : 330-345g/pc4. Characteristics : with top reinforcement and vent in the top.5. Capacity : 25 ... . 10. Applicability: construction, electric power. transportationect11. Certification: CE & ANSI usd 1.2 400pcs in stock safety helmet with CE