safety helmet 1 Shell is made from high-density material; 2 materials:ABS/PE/PP 3 Main colors: red, yellow,blue, green, white safety helmet SH-003 SH-0041 Shell is made from high-density material, the top with single reinforcing rib.2 Suit for construction, transportation, gardening, and environmental protection, etc;3 The material can be made according to different environmental requirements: ...