Feature: ANSI Z89.1-2003 ; EN397:1995 The safety helmet is made out of HDPE material with one rib on the top of shell.The 4 points plastic suspension is characterized by simple,economical and durable feature. Standards: CN: GB2811-1989; EU: EN 397: 1995; US: ANSI Z89.1-2003 Model number: NTP-3 Material: HDPE Color: many colors available Outer packing: 20pcs/carton