PRiiS Premium KN95 Mask | Anti Pollution Mask| Reusable Mask | Non-woven with Melt Blown and Hot Air Cotton Layer Protective Mask | 4Ply Protection | KN95 Masks is made for your comfort by understanding you. The 4 ply protection gives you a complete protection against Dust,germs,Smoke & pollen and also helps to prevent cross-contamination. PRiiS Premium KN95 Masks is used in medical, dental, laboratory, food sectors, school, household, industry and multipurpose Soft, lightweight, comfy and easy to wear.