Non-woven fabric mask, size L, with PM2.5 cut function. - Size: L (Mask size: 185mm) - Type: Non-woven fabric mask - Features: PM2.5 cut, uses a filter derived from karakin - Color: White I took one out, so there are 29 left. I will remove them from the box and ship them in a plastic bag. Thank you. Thank you for looking.