C-Line is proud to present a reliable study buddy and a great way to protect your note cards. The 3 x 5", index card case ensures the index cards are clean and undamaged. The case is made from acid-free, archival quality polypropylene, allowing permanent storage without the materials lifting off from the cards. With 5 dividers and adhesive label tabs, organizing index cards just became more efficient. It features a snap closure system, capable to secure up to 100, 3 x 5" cards safely in the case. C-Line offers a selection of specialty case and accessories to keep everything from a desk to a warehouse organized and efficient.