1.Material: HDPE or ABS 
2.Wheel ratchet with four point fix plastic harness
3.Any color is available
4.Comfortable to wear for long time
5.Integral rain channel for greater comfort in poor weather
6.Harness size: 53-63 cm
7.Excellent impact resistance that will not fall off rapidly at lower temperature.                                                                                          8.Large temperature range from -20°C to 80°C.                                                                                                                                             9. Certificate :CE EN397                                              10.Standard:ANSI/ISEA Z89.1-2009                9.Packing:1pc helmet per plastic bag 30 pieces helmet per carton carton size :76 * 30 * 72 cm  weight :14kg