AUSTRALIAN SAFETY (Australian & New Zealand Markets) AMERICAN SAFETY (International Markets) N95 Respirator Mask 20 pieces in a box Adjustable Nose Clip Nose Foam Welded headbands Strap - Polyisoprene Staples- Steel Nose Clip- Aluminum Nose foam- Polyurethane Filter- Polypropylene Shell- Polyester 4 Layer 1st: Nonwoven 25gsm 2nd: Meltblown 25gsm 3rd: Meltblown 25gsm 4th: Cottonfelt 200gsm ASTM-F2299 95% filtration efficiency particulate respirator.