Nano silver antibacterial dental floss, Dental floss picks. New product fit antrum of sanitary big breakthrough, At picks teeth time also disinfect, To Care tooth and periodontal disease can decrease cross infection, Does reach mouth cavity health care function! Already has applied invent patent of Taiwan, China, America.Hotel, Restaurant Group, Dental hospital. Wholesale. to be welcome. RE:Nano-silver antibacterial 3 ply face mask.FDA 510K, CE0434, NE149:2001, ISO, NANO MARK OF TAIWAN.