A4 blank index cards, foldable box with 100 pieces. High-quality index cards made from 205 g/m² Clairefontaine paper, compatible with inkjet and laser printers as well as photocopiers. Made from pulp sourced from sustainably managed forests. PH-neutral bleached. Packaged in a reusable foldable box for optimal protection and convenient storage of the index cards. The product features (squared, blank, lined, hole-punched, assorted colors) are easily identifiable at a glance by the color of the packaging. Durable index cards that are versatile and provide high writing comfort. Ideal for school, study, or any occasion where you need to learn.