This is a soft polyester mask. The mask is breathable, water-repellent, and washable. The elastic buckle can be adjusted to fit to your facial contour to prevent it from leaving traces on your face after taking it off.
It can protect your mouth and face from dust, cold, dust, pollen, allergies, fog and haze, exhaust emissions, 2nd hand smoking and etc.
Washing instructions: It is recommended to wash by hand, do not bleach.