Certification: CE certified FFP2/KN95 mask (equivalent to N95) Material: Nonwoven fabric with melt-blown plastic layer Features: Breathable, soft lining, latex and fiberglass free, nose clip and earloop Application: Hospital, Medical, Dental, Daily use Style: Elastic ear-loop or tie on Breathing resistance (delta p)99%, particle filtration efficiency(bfe%)>99%. Product Features: 1. Product weight: 25 grams 2. Masks are Not Washable but they are Reusable. 3. Filters are inbuilt in the mask. No need for separate filters.