Product Name: KN95 Respirator Face Mask Aerosol Type: Non-Oil Color: White Size: Universal Exhalation Valve: NO Strap Attachment: Stapled Adjustable Nosie Clips: Yes Standards: KN95 (China GB2626-2006) Certification: FDA & CE Certified Key feature is the WEIGHT of the material in grams NOT the number of layers. * Two layers of 25g/m2 Melt-blown fabric willprovide the required balance between filtration and breath resistance ** Available quantity 50k pieces in Katowice - Poland 1.2 million in Rotterdam warehouse 1.8 million England, London