KN95 Respirator Mask (100 pack) refers to disposable masks. It is generally made of two layers of 28g non-woven fabric.
The nose bridge is made of environmentally friendly plastic strips and is breathable and comfortable.
Suitable for use in electronics factories, catering services, hospitals, daily life, and other scenarios.
The KN95 still protects from 95% of contaminants as seen in this comparison chart created by 3M (Chart) No Returns on KN95 Respirator Mask (100 pack)