Material Characteristics: 100 percent Polyester Fabric, Comfortable And Soft Breathable, Washable, Reusable The Length Of The Widened And Highly Elastic Earbands Can Be Adjusted At Will Product Performance: Very Soft, Breathable, Waterproof, Washable, And Can Protect Your Mouth And Face From Dust, Cold, Dust, Pollen, Allergies, Haze, Exhaust Emissions, Passive Smoking, Etc. Perfect Design: Full Format Printing, Single Sided Printing, Clear And Unique Design Patterns. Package Includes: 1 Mask, 2 Activated Carbon Filters.