1 small size,light weight,greatly reduce the user's wok load 2 several models and colors 3 safe and conventional Safety helmet1 ABS/anti-flame and antistatis ABS material2 Topside design,improve the capcity of shole resistance of top by 20%3 Bukle suspention,adjustable chin strap4 Small size,light weight,greatly reduce the user's work load5 Several models and colors6 safe and convenince