Description: Material: Made of high quality PP material, very durable,and not easy to aging, black. Adjustable design: Adjusting gear knobs on both sides and a control knob at back adjust to the most comfortable position according to different users, press and rotate to adjust the tightness. Features: Forehead with the cotton pad for a long time wearing, the headband is hollow design, breathable. Compact size and light weight, easy to carry. Head-mounted,suitable for welder mask. Specification: Size:Length x width x height26x16x13 cm/10.24x6.3x5.12 inches Thickness: 8mm/0.31 inch Weight: 50g Package Includes: 1 piece welding mask headgear