Uncle Bitcoin Face Mask made of 100% Polyester provide a physical barrier around the face. According to each person's nasal type to adjust. So that can prevent dust going through and helps you to breathe smoothly, you don't need to worry that fogging up your glasses.
Bitcoin Uncle Face Mask ideal to protect your mouth and face safe by keeping dust away. Our cotton mouth mask is also a good match for outdoor,bus, metro, hospital, sporting, running, hiking and so on. We believe that the face mask is an ideal choice which make you look more fashion.