Specification : Pcs: 10 pcs/ Packed - 3 ply -Blue - Medical Grade - Anti Virus - Sterilization - Filter efficiency above 99% Material : Three layer ( non- woven fibric + filter paper + non woven fabric) + Rop BFE = >99% Colour : Blue - Super easy to pack for convenience, travel and commuting. 3 Ply for Excellent Protection, Softer Latex Free Elastic Ear Loop, 100% Fiberglass Free and super easy to pack for convenience, travel and commuting. Perfect for Medical, Dental Office, Nail Salon, Cleaning to avoid dust, or any other areas where protection might be required, such as Hospital, Airport, Airplane, public transportation, etc. Also suitable to wear during Flu/Allergy season.