[Design Description] full-width printing, single-sided printing[Material Description] 100% polyester fiber (polyester)[Product Performance] Very soft, breathable, washable, with buttons to adjust the tightness, protect your mouth and face from dust, cold, dust, pollen, allergies, flu, fog and sputum, exhaust emissions, passive smoking, etc.[Applicable scenes] cycling, camping, hiking, gardening, tourism, outdoor, shopping, etc.[Washing instructions] It is recommended to wash your hands more hygienic