About this item Multi-Layer Filters: 5 premium layers includes, Two layers of PP spun bounded melt blown fabric, Two layers of PP spun bounded fabric, Sandwitched between PP Microbial filter Ergonomic Design: Adjustable plastic clip ensures optimal sealing between the bridge of the nose and the mask Securely Sealed: Adjusters in elastic allowing optimal tightness of mask Breath with ease: Non-woven fabric allows for comfortable breathing. Comfortable to wear and using a low impedance filter material with no odor Package Contents: 20 - Pieces N-95 Mask, For any query/assistance please contact us.