REUSABLE AND WASHABLE - We provide a superior level of protection, and very comfortable with FOUR PM2.5 FILTERS. Washable, can be repeatedly used.
COMFORT - Comfy elastic and wide ear loop lets you wear for long periods of time without irritation. Lightweight material, soft texture, comfortable to wear. It is suitable for cycling, running, biking, hiking, skiing, woodworking and other outdoor activities.
