ANTI-DUST: Wearing this anti Dust mouth, you could be protected from dust, small particles on air, pollen and much more.Anti-dust,anti-odor;washable and reusable. And it can carry filters, our products are equipped with 2 filter accessories.Comfortable: We have always been committed to designing safe dust mouth for men and women. This new dust vent is made of high-quality 100% skin-friendly high-grade polyester, making your face soft and comfortable.Fit For Most People:The comfortable elasticity and wide ear rings allow you to wear them for a long time without discomfort. Dust mouth with adjustable retractable ear hooks fits the face tightly and is easy to wear.Use Scenarios: Dust mouth is suitable for all outing activities such as cycling, walking, camping, etc., giving you a healthy and safe outing experience.Easy to Clean: Dust mouth can be washed repeatedly. It is recommended to wash by hand and do not bleach. It is easy to maintain and can be comfortable for a long time.