Face mask is the standard product for  Hygiene, Food, Cleanroom, Beauty, Medical, Dental, Hospital, Laboratory, rmaceutical and Veterinary use. It consists of multiple layers: often two layers of soft non-woven fabric and one layer of bacterial filtration material. It provides good barrier protection of bacterial and dust, low breathing resistence. Natural Rubber Latex-free  Conforms to any size or shape face the wearer pinches the aluminum strip to create a custom fit Meets En14683 Rating - Type IIR Standard Extra long, aluminum nose piece