The Nanoclo black face mask is designed with a nanofiber technology mask that is made of nanofiber has a great ability to protect you from viruses because nanofiber is a material that is so thin that only air can pass through it even the tiniest practical cannot penetrate the fiber cloth. Nanofiber masks have 4 lyres. These masks are reusable, washable hence cost-efficient. The inner layer of nonwoven is soft and fits the skin, the nanofiber filter is so accurate can stop up to 99% of particles to penetrate and the outer layer is made of anti-splash HD fabric that is water-resistant. The Elastic ear straps can adjust according to your needs. The adjustable masks with flexible wire nose clip provide the best fit and prevent fogging when wearing glasses when wearing a face mask. 3D design can get more breathing space. The Nanoclo face mask is washable up to ten times by following the 3 easy steps. Dip in a shampoo solution for 10 min Rinse in clean water Air dry indoor. Note: Please do not twist or wring, light ironing is ok (Front side only). Nanoclo washable mask comes with variety of colors, size and prints. You can choose your favorite mask color and print according to the need of the day.