Doraemon Mask Photo on the left: - Hydro Silver Titanium Soft Gauze Mask (Small Size & 3D Type) 1 mask Photo on the right: - Children's Gauze Mask 2 masks (Originally 3 masks, but one was used. Each is individually packaged, so there are no hygiene issues) The Hydro Silver Titanium Soft Gauze Mask on the left has a pollen, virus, and PM2.5 defense filter. It cuts even after 50 washes! It's a high-performance mask! Because it's a small size, it can be used by children and women.