Polypropylene inserts that do not tear. The perforation is resistant to all manipulations. They are also more flexible than card dividers. Chromaline spacers are made of soft but strong translucent plastic. Features a printed index page for easy indentification of contents. You can erase and rewrite easily. These Chromaline spacers are equipped with a reinforced indexing page, printable thanks to Kreaman on the Exacompta website. For school, office or home use, Chromaline A4 size interleavers will accompany you in your organisation.