Product Name: KN95 FFP2 Ce FDA Reusable Filter Medical Mask Model NO.: Kn95 Group: Adult Quality Guarantee Period: One Year Ethylene Oxide Sterilization: Ethylene Oxide Sterilization Material: Non-woven Fabric Type: Surgical Supplies Materials Origin: China Product Description Kn95 N95 FFP2 CE FDA Reusable Filter medical Mask1, 5 layers high-quality reusable mask,2, two layers 50gsm non-woven fabric;3, two layers 25gsm melt-blown fabric KN95/N95 standard, CE certificate FFP24, one layer dust-proof cotton;