Type: disposable activated carbon mask Multi Layered Construction: Multi layered for give effective protection against dust, fine particle, pollen and other air-borne parts. Main Material: Non-woven fabric, meltblown filter. Ear Loop For Quick Wear: Ear loop that is easy to wear and take our. Very effective and quick to wear and put off. Flexible Nose Bridge: Flexible and easy to shape bridge to easily fits on nose with minimum gap