Blank index cards A4 size, 100 pieces - with folding box. Top quality at a consistently high level. Made from paper pulp sourced from sustainably managed forests. PH-neutral dyed. The index cards in the pack (checked, solid color, printed, colored, etc.) can be easily identified by the print and color on the packaging. Delivered in a reusable box for optimal protection and practical storage of your index cards. The product features (checked, blank, punched, printed, assorted colors) can be quickly recognized at a glance thanks to the color of the packaging.