Medical Grade  3-Ply Protective Layers (PP Non-Woven Protective Layer, Melt-Blown Filtration Layer, Interior Comfort PP Non-Woven Layer Medical Masks Work As A Protection Barrier Minimizing Direct Transmission of Infected Fluids or Particles Among Healthcare Professionals and Patient  3 Medical Masks Provide the Highest Level of Protection During Medical Procedures procedures. Each Package Comes In A Heat Sealed Pack of 100 Masks Designed and Manufactured by Kingfa Science and Technology | Kingfa Science & Technology was founded in 1993. After 20 years of rapid developments, Kingfa has grown into a world leading company in the new-material industry Key Product Features Fit Type: Regular Medical Masks Work As A Protection Barrier Minimizing Direct Transmission of Infected Fluids or Particles Among Healthcare Professionals and Patients