Non-Woven, Spunbonded Fabric, Hot Air Cotton & Melt Blown Mask Type: 5 layers Non-Woven Hydrophobic and Hydrophilic Fabric, Hot Air Cotton & Melt Blown Multi Color and Print Fabric Bacterial filtration efficiency: 99% Particulate Filtration efficiency: Above 95% Product Type: Surgical/Non Surgical Individually Wrapped: Yes UV Sterilization: 2000 KW Sterilization Nose Clip: In built Sealing: Ultrasonic Mask Components Benefits and Standards 1st layer: 50 GSM Hydrophobic Spunbond nonwoven Excellent breath ability 2nd layer: 25 GSM Meltblown Fabric Non irritating, fiber glass free fabric 3rd layer: 25 Gsm Meltblown Fabric Non-woven Spunbond 100% Polypropylene 4th Layer: 60 Gsm Hot Cotton Hypoallergenic/Hydrophobic & Hydrophilic 5th Layer: 25 Gsm Hydrophilic Spunbond Nonwoven Comply with CE, GMP, FDA and ISO 9001 Nose Clip: In built or Aluminum clip Ultrasonic welding manufacturing process Sealing: Ultrasonic Mask Hygienic