*Note that this mask is CIVILIAN -> cannot be used for medical purpose. *Made in Korea -; Best quality! Yet, TOK can offer the most competitive price. *Korea Certification Mark (KC approved): this proves that the product acquired total 13 certificates by the Korean government regarding its safety and quality. - 3 Layered Melt-Blown Filter Civilian Mask *Outer layer: non-woven fabric *Middle layer: MB filter *Inner layer: non-woven fabric Features: - High elastic anti-allergy ear cord and an invisible plastic nose clip that softly fits the user\'s nose bridge. - Hypoallergenic made with Triple S level material. - Liquid droplets, bacteria, and viruses Filtration Efficiency (BFE): Above 94% *Payment term: 20% T/T with PO, 80% T/T FOB (negotiable) *Shipping term: FOB and CIF available (but payment should be FOB for CIF) TOK can proudly say that we offer the best price for the best quality. We value transparent, trustworthy, and a long-term Business partnership. Please do not hesitate to contact me for our products and further Business discussion.