Blockchain Matter Face Mask made of natural fibers of 100% polyester fabric with built-in protection filters. Crafted for your look and fashion in mind as well as protection. Very soft and comfortable to wear. Bringing this safely and effectively prevents dust, fine particles, and pollen from the air from entering your nose and mouth.
Blockchain Dust Face Protection premium cotton and durable construction allow for machine wash. Keep your dust cover clean and sanitary by washing in cold water and tumble dry.