Mitsufuji Corporation (Head office : Kyoto/CEO : Mitera Ayumu) announced “hamon AG Mask”,  that can be washed more than 50 times and used repeatedly to help alleviate the nationwide shortage of sanitary masks. This sanitary mask is made of special yarn for unique smart-wear specialized in collecting wearer’s heart-rate to visualize his/her vital data, and AGposs®, a silver-metalized fiber developed with our proprietary technology over many years.