This Comfortable Xd Design Face Mask is Made for Every Face. Lightweight Three-Layer Design; the Polyester Front Layer is Treated with Viraloff®, a Technology That Removes 99% of the Viruses in 2 Hours. the Middle Layer Contains a Unique Laboratory Tested Hyproof® Nanofibre Filter. This Filter has a Filtering Efficiency of 95%. the Inner Layer is Made of Polyester. with Three-Dimensional Chin Structure & Nose Bridge for Easy Breathing. This Set Includes: 1 Reusable & Washable Face Mask, 5 Reusable Filters, 1 Storage Pouch. This Device is Not a Medical Device Within the Meaning of Regulation EU & 2017 & 745 (Surgical Masks) Nor is It Personal Protective Equipment Within the Meaning of Regulation EU & 2016 & 425 (Filter Masks Type Ffp2). Registered Design® Minimum Quantities Apply.