Elegant Comfort Anti-Irritants: Nano Technology Face Mouth Cover is the ideal Face Mouth Cover for running, walking, jogging, and any other outdoor activity where the air you’ll be breathing is of questionable quality. Wearing this face mouth Face Mouth Cover could aid in protection from these and much more. Application: This anti-dust Face Mouth Cover is ideal for both women and men, suitable for cycling, camping, running, travel, climbing and daily use. Protect you from fog, haze, vehicle exhaust, passive smoking, etc. No Discomfort: We focus on designing a dust Face Mouth Cover for both women and men. All Face Mouth Cover are 100% Polychloroprene Fabric with Nano Technology and provide a soft and comfortable layer. STRONG BREATHABLE: Our mouth Face Mouth Cover was made of 100% Polychloroprene Fabric material which is breathable and comfortable to wear, and you can use it during all year round. One size suitable for most adult!