KN95 Mask: 12 Things You Need to Know Before Buying ...
Dec 24, 2020·KN95 masks have a 3D foldable design, earloops, nose bridge/nosepiece, and provide excellent fitting and sealing. KN95 masks feature 5-layer protection, and are skin-friendly (don’t cause rash and skin irritation). Currently approved by the WHO as a safety measure from COVID-19; used by health care providers, patients, and citizens.