Features: 1. Soft and flexible breathable, ideal for Sensitive skin allergy. 2. Meet your different needs, whether you are running, running, city driving, house cleaning or outdoor activities, you will be the best for your health.3. Using Anti-pollution material to reduce the risk of inhalation of harmful gases such as odors, pollen, smoke, dust and other harmful particles. 4. Safety protection, protection against smog, dust, pollen, automobile exhaust, etc.5. Close fit to prevent polluted air from entering.Description: 1. Isolated from air dust,mist, pollen grain, car exhaust.2. Anti-pollution air sport face mask.3. Elastic ear-loops with no pressure to the ears.Specifications:Material: Pure cotton Color: whiteSize: one size Package Included: 1 * Mask Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow slight dimension difference due to different manual measurement.