!!! ***【This merchandise is shipped from China, about categorical delivery is 5-10 days., 25-35 days by put up.】 STRONG BREATHABLE: Our mouth masks was product of cotton materials which is breathable and comfy to put on.And you should use it throughout all yr spherical. REUSABLE:This mud masks is washable and reusable.We not solely present 1 pcs anti air pollution masks with individually packaged,there may be additionally together with 2 pcs activated carbon filter insert could be changed.It’s so eco-friendly and handy for you. Mild weight with comfy and adjustable elastic band, one measurement for many grownup males or ladies. Cotton mud masks could be washed, and changed the PM2.5 activated carbon filter. Work like lively pure protect towards any air pollution.