More good things, all at Nksudet: Protect your index cards with this index card organizer box. Designed for 3""H x 5""W index cards with 300 cards capacity. This durable plastic index card holder features a snap-tight lid to keep your cards securely contained and prevent dust and debris from getting inside. Built-in notches in the box and lid hold cards in place so you can safely store and transport them. This Index card box keeps your index cards organized and neat, also great for holding other standard 3x5 cards like flash cards, note cards, receipts and more. Infinite Storage Potential: Our index card holder is not only perfect for organizing children's study flashcards, notes, review cards, small notebooks, memos, vocabulary cards, business cards, recipes, and menus but also provides an easy storage solution for other small items like keys, trinkets, earphones, data cables, and more. Compact and Durable: Crafted from lightweight and resilient polypropylene plastic, this 3x5-inch index card organizer features a specially designed elastic component that enhances resistance to daily wear and tear. It maintains its shape, ensuring outstanding durability and a reliable, long-term user experience. Index Card Storage Set: Our index card box can accommodate over 300 cards, equipped with 5 differently colored index card dividers, 100 blank ruled cards, and 6 writable labels, making it effortless to neatly organize 3x5 index cards. Enhanced Security: Prioritizing the safety of valuable cards, this index card organizer employs a sturdy clasp closure, ensuring a secure seal and eliminating the risk of card loss or damage, consistently safeguarding your cards. Thoughtful Design: The classic 3x5 index card layout seamlessly combines aesthetics with functionality. The smooth surface adds a premium touch to the product, while the stylish teal color palette enhances its sophistication, reducing eye fatigue and ensuring comfortable, prolonged use of the cards. If you have any dissatisfaction with the index card holder, we are here to help at any time.