Hi density non-woven fabric. Fluffy, breathable and soft.
Adjustable nose bridge and elastic ear loop has enough elasticity to make a good seal. Multilayer protection from almost 95% particles in the air PM 0.3.
Reusable and durable up to 10 times usage, total of 40 hours.
Product description reads:
Built to prevent your respiratory system from aerosol, virus, pollution, dust particles, allergens and other particles in the air that you constantly deal with every day.