Nano Fiber Filter Mask Arrived from Korea ! - Nano fiber Filter blocks Virus and fine Dust 99.9% !! - Prevent outside harmful substance completely through Nano fabric filter !!(Virus. Fine Dust. Smoking. Bactaria) - UV Protection: Block more than 90% of UV rays, High Sun Screen while wearing mask. - It is now on Nano Level, Much higher blocking effect than n95 Quality before! - 4.38g super light weight for whole day use(even lighter than 1pc A4 Paper) - The Most Recent Nano Tech from Korea, but if washed, 99% filtering quality wil maintain upto 80% quality only. - Longer usage and much durable than ordinary k94 mask since mask is made from Nano Fiber Filtered texture. - Functional nose support: High adhesion, prevent falling off and prevent fogging of the glasses - High elasticity ear band: Maintains elasticity as a new one after a long period of using it. - 3 layer structure, three dimensional design: Comfortable wearing feeling by covering down to the chin and full protection - Easy to breath inside the mask, comfortable whole day!