Duotangs are paper folders made of harder cardstock paper with flat metal teeth that people use to bind multiple sheets of paper simply by bending the metal teeth through the holes of the paper and folding them down to keep them in place.
Duotangs are paper folders. People use to bind multiple sheets of paper simply by bending the metal teeth through the holes of the paper and folding them down to keep them in place. These paper folders are made of harder cardstock paper with flat metal teeth this.