Material: PP body+Silicone flap
Installation by: Ultrasonice Welding to facemask
Round silicone flap opens around 360 degree angel to easy exhalation and maximum performance, Single way out and perfect sealing
can be customized with MOQ 1,000,000 pcs.
Please contact us for further discussion via email:
sales@nbsemask.com or andysong@inve-tech.com;
or call us at+86-13867864909 / +86-15888819471