1.ABS material
2.Perforated design to maintain airflow.
3.Sweatband,adjustable knob harness (rotary knob type), with a fixing strap,comfortable for wear.
4.The safety helmet slot can be fitted with earmuffs.
5.Color: whitel /yellow/blue/red etc
6.Packing: 1pc/polybag, 20pcs/ctn








