Liquiditi sources KN95 masks from several manufacturers across Asia. KN95 masks are made of fve layers of fabric, with non-woven fabric used in manufacturing. These masks are foldable including ear loop without a respiratory valve. Availability: Yes, Quantity Avail. upon Request Min. Order Quantity: Provided upon Request Box Size: 10 masks per box Country of Origin: China / Vietnam Certifcations: FDA Registration, U.S. NIOSH 42 CFR 84, EN 149 FFP2, ISO 9001