Set of four black silk masks. This reusable masks can be washed for up to 50 times. Waterproof, light weight design makes it ideal for exercise, sports, or warm weather. Fit mirrors the contours of the face, long-term wearing without straining the ears. Anti-dust, pollution and sun blocking properties. CE (European Union) mask safety certification. FDA approved manufacture. We will donate 4 PPE for each pack sold.