Women's face mask by Proper Cloth (green chambray)

Brand new, in original unopened packaging. Women's size small everyday face mask (version 1.3) by Proper Cloth. Color per my order slip is green chambray (looks grey to me) and it's 100% cotton. Over-the-head elastic band and removable filter. Proper Cloth website (propercloth.com) has great spec info for all of their mask versions, if looking for more details on sizing.