Features: Made of soft foam, skin friendly, comfortable and breathable, durable for long time use. The mask can protect you from suffering air pollution, such as dust, pollen, etc. Ergonomic design makes the mask fit your face snugly, giving you all-direction protection. High elasticity, you will feel comfortable to wear it, not easy to tear, suitable for most of people to use. Reusable and washable, very easy to wash, you could hand-wash it and hang it for air-drying. Specification: Material: Foam Color: Black, Grey, White (optional) Size(Mask Length*Width): Approx. 16.5*11cm/6.5 * 4.3inch Weight: Approx. 16g Package List: 3 x Dust Mask Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. It may have odor of sterilizer when it's used for the first time, it would fade after use. 1、Made of soft foam, skin friendly, comfortable and breathable, durable for long time use. 2、The mask can protect you from suffering air pollution, such as dust, pollen, etc. 3、Ergonomic design makes the mask fit your face snugly, giving you all-direction protection. 4、High elasticity, you will feel comfortable to wear it, not easy to tear, suitable for most of people to use. 5、Reusable and washable, very easy to wash, you could hand-wash it and hang it for air-drying.