Features: Cycling Dust Mask: sports mask are designed with unique breath system for better personal-protection. Outer mesh mask shell enhance breathing performance, inner replaceable filter, which can blocks pollution like: exhaust fume, smog, dust etc. Five Layer Filters: Breathing face mask include one filter, which has 5 layers providing professional filtration. The first layer blocks large particles, the second activated carbon filter layer filter benzenes, car exhaust. The third and fourth layer filter 0.03-0.3 microns of dust and particles. The fifth-non-woven layer comfortable and breathable. Design: Seamlessly fit the face, highly filtered airs. Breathability is good and breathing is easier. Suitable: Our outdoor sports mouth cover is widely used for pollen-allergy, running, cycling, outdoor activities, woodworking and construction work, also good to use as mowing mouth cover and paint mouth cover in house improvement projects. UNIVERSAL SIZE: Designed to fit most people, this mask is perfect for men, women, and teens, making it an essential accessory for any outdoor activity. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Cotton Package List: 1X Sports Mask