Check the listing for details. Thin Sponge Face Mask With Valve 2 items per lot. Color: Black, Condition: New. Listed at 11.90 USD. Reusable Washable Thin Sponge Face Mask With Valve Shipping from USAFeatures:100% brand new and high quality Made of sponge material, keep pollutants out while offering comfort thanks to the built-in exhalation valves and soft and stretchy elastic loops. Lightweight material, soft texture, comfortable to wear. Comes with filter valves, smooth breathing. Built-in exhalation valve lets air in and keeps moisture out, letting you breathe easier while keeping dust and other pollutants out. Comfy elastic and wide ear loop lets you wear these masks for long periods of time without irritation. It is suitable for cycling, running, biking, hiking, skiing, woodworking and other outdoor activities. The dustproof mask can be used for anti-dust, anti-vehicle exhaust, anti-pollen allergy, anti PM2.5 and haze day protection. Easy to wear and they provide a superior level of protection over the paper masks, and Very comfortable for long periods of time. Washable, can be repeatedly used. Collapsible, you can put it inside your pocket and bring it anywhere. Specification: Item type : PM 2.5 special sponge mouth maskMaterial : New organic Polymer Filtered Sponge Size: approx. 32x13cm(12.50x5.10in) Color: Black *IMPORTANT*-This is not a medical productFor sanitary reasons, all sales are final and cannot be returned.We do not make any claims to the medical benefit of face masks purchased from us.* Shipped with USPS First-Class Package with tracking numbers