【Brand New & Unopened】Developed by a world-leading filter manufacturer ◎ High-performance mask with three major features using ultra-fine nanofiber ・Yamashin Filter Mask Zexeed L Size, 3 masks per pack 　119mm (length) x 127mm (width) when folded ◎ Blocks nano-level fine particles with a porous structure ◎ Unique shape to prevent air leakage ◎ Pleated shape for easy breathing ◎ Washable and reusable ◎ Made in Japan ◎ Individually packaged For influenza, the coronavirus, colds, pollen, PM2.5, which are prevalent during this season...