Features: - Soft and flexible breathable, ideal for Sensitive skin allergy. - Meet your different needs, whether you are running, running, city driving, house cleaning or outdoor activities, you will be the best for your health. - Using Anti - pollution Mask reduces the risk of inhalation of harmful gases such as odors, pollen, smoke, dust and other harmful particles for hospitals, schools, travel, cleaning, painting, construction, outdoor activities. Specifications: Material: Pure cotton Package included: 1 x Mask 10/30/50/100 x Filters Notes: 1.Filters Cannot Be Used Alone, Need to Be Used with a Mask. 2. Manual measuring, please allow 1 ~ 3mm error,thank you. 3. 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 picture.