[KN95]Effectively protect you from virus. It is not recommended for patients with cardiovascular disease due to its high tightness. [Anti-fog] With a concealed plastic nose built in hidden cartilage bridge, can be adjusted to avoid voids and reduce the inhalation of harmful substances. [High filtration]The inner layer of activated carbon can filter harmful gases or odors. [Comfort] Elastic ear-loops with no pressure to the ears. high-quality fabric to reduce skin irritation. [Floding] Folding thinsection, lightweight and easy to wear.