Antibacterial nano-coating. Can be washed and used 30 times per sheet, so 3 sheets for 90 days. Reliable 3-layer structure. Three-dimensional design. Gentle-to-the-skin inner layer. Water-resistant outer layer, UV protection. Set of 2 Selling because I don't use them. ⚫︎Material Outer layer: Polyester Inner layer: Cotton ⚫︎Uses Colds, pollen, dust ⚫︎Size H140, W115cm (one side) Adult size, large size The color may differ from the actual product depending on the photo shooting environment and the device you are using. We try our best to take photos with colors as close to the actual product as possible, but please understand. Stored at home. I don't smoke, but there are animals at my workplace. I will be careful when shipping, but please refrain from purchasing if you are nervous about this. I am currently raising three children, so my replies may be delayed. I am committed to a pleasant transaction. If there are any defects in the product you receive, please contact me before leaving a review. Regarding the shipping method: Even if you specify Rakuraku Mercari (anonymous shipping), I may change it to Yuuyu Mercari (anonymous shipping) after purchase without notice. Please understand. If you have a preferred shipping company, please let me know in advance before purchasing. Clothing will basically be packed in a compression bag and compressed quite compactly. Please only purchase if you understand that there may be folding wrinkles. Currently decluttering, so many items are on sale.