These personal protective KN95 masks are lightweight and comfortable to wear. Manufactured in an FDA registered facility, these masks are not intended for medical use. The 5 layers provide a secure moister barrier of non woven fabric and engineered polypropylene mesh filtration layer which makes for easy breathability and effectively filters more than 95% of particles. Elastic ear loops offer comfortable wear. An embedded moldable nose strip helps secure the face mask. The unique design provides a perfect fit for most faces. Product Standard: GB2626-2006. These masks are a handy product for your customers, clients, office and any place where masks are recommended.