One hundred Leitz A4 clear covers for documents that are bound; ideal for use with wire, comb, and spine slides Ideal for projects, presentations and reports, for school, home or office use Document protection with tear-resistant plastic and a transparent design that shows off your title page, fingerprints, and smudges -durable, superior finish Perfect for use with any binding machine, including comBIND, wireBIND, and Leitz Spine Combs. 150 micron flexible yet sturdy material with a surface that is simple to clean. 210 x 297 mm in width and weight (20 g). Clear Glass Color