✈Material: Made of 100 % Polyester, super soft and breathable, will not rub your face. Can be cleaned many times, recycled, health and environmental protection. The Mouth Masks Is Super Soft And Breathable, Does Not Affect Breathing And Speaking, Can Keep Comfortable For A Long Time. ✈Size:9“ x 5.9”(23 x 15cm) With Adjustable Ear-loops Masks can not only bring your comfort, protect u from dust, for a comfortable fit,Allows for easy breathability. ✈Many Occasions:Perfect For Running, Camping, Hiking, Shopping, Travel, Morning Exercise, Cycling, Cleaning, Painting, Show Performance, Party, Cosplay. ✈Structure:The Strap Can Be Adjusted According To The Size Of The Face, M-shaped Nose Clip, Washable, Reusable, Filter Can Be Changed (5 Layers Of Filters, Containing 2 Replacement Packs） ✈Fashion Design: We Are Specialized In Unique Designed Fashion Masks Which Has Various Styles.Various Colors And Unique Designs Make People Display Different Personalities Well.