Accessory includes: face masks*3, replaceable filters*6.
Material: twill, cotton.
Design Details: Made of high-quality fabric, it is comfortable and easy to wear, and can prevent you from dust, small particles in the air or pollen, etc. It's dust-proof, odor-proof, washable and reusable. And it is suitable for cycling, camping, running, traveling, climbing and daily use. Protect you from fog, haze, vehicle exhaust and second-hand smoke. (non-medical masks)