... protection,highly breathable 2,PFE>99%,BFE>99% 3,Style:Tie on 4,Material: Non Woven 5,CE0197,ISO13485,ISO9001 Denta ... Mask 1 3-ply protection,highly breathable 2 Adjustable nosepiece, tie on3 PFE>99%, BFE >99% 4 high filtration efficiencyFeatures1.Non ... to customers' requirements.2Customized Logo/brand printed.3Customized packaging available. Tie-on dental face mask