KF94 Equivalent Filter Small Face Mask I used these last year. I bought them in bulk because they weren't sold nearby, but I'm not using them anymore since I'm using a different type of mask now. I hope someone who needs them can use them. 3D Non-woven fabric, no cooling effect → 5 bags (50 masks total) Cooling effect → 2 bags (20 masks total) - Quantity: 10 masks per bag - Type: Small face mask - Filter function: KF94 equivalent filter - Material: Soft, gentle rubber - Virus droplet protection: Yes - Pollen protection: Yes - Cooling type: Yes I will ship immediately via Yu-Yu or Raku-Raku Mercari delivery. Thank you for your consideration.