Two new Casetify cloth masks from the American brand, a set of two. [Brand] Casetify [Color] Black x 1 Blue x 1 *The color of the image may appear different from the actual product depending on your PC monitor. [Size] One size for adults [Material] Cotton Filter: Non-woven fabric - melt-blown cotton - activated carbon fiber - melt-blown cotton - non-woven fabric Other filters can be used if they fit the mask size. We recommend changing the filter once a week, depending on usage and environment. ・Brand logo included ・Breathable cotton material ・Elastic ear straps ・PM2.5 filter x 2 ・Masks can be washed and reused ・Not a medical mask