These are not the cheap 3 ply masks, these are the real deal used in dental and medical offices. Not only are they the best level available for a face mask, they look very nice and professional for all staff to wear.They are ultra sensitive with no dyes added for sensitive skin. The item "Crosstex ASTM Level3 Ultra Sensitive Dental Medical 50 Count Per Box. NIOSH" is in sale since Friday, July 3, 2020. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical, Lab & Dental Supplies\Surgical Gowns". The seller is "blcrowell2014" and is located in Hooper, Utah. This item can be shipped to United States.