This mask is made of cotton denim. The cotton fabric is as strong as denim and is tightly woven.
The mask can be fastened behind the ears with elastic loops.

PLEASE NOTE:
The mask is a fashion accessory. We do not know how high the protective function of the mask is.
fact:
? Part of the “Nitrogenium” series of reagents
? Material: 100% cotton
? Densely woven cotton denim
? Elastic loops to attach mask