BOX SIZE: The box dimension is 14*7.5*9cm/ 5.5*3*3.5 inch (L*W*H). It can hold about 300 to 400 index cards in the size of 3x5 inch. WONDERFUL DESIGN: There are 6-pack boxes that you can classify and store different items in different boxes to quickly and easily find what you need. In addition, there is a place on the box for labeling to better distinguish. MULTIFUNCTIONAL: This storage box is the perfect size for storing index cards, bills, notes, lists, recipe cards, flashcards, important paper documents, small accessories and more at home, school, or in the office. DURABLE QUALITY: The recipe card box is made of high-quality plastic material, which is sturdy and environmentally friendly for long-term use. Good tightness in the lid to protect the cards well. PORTABLE AND LIGHTWEIGHT: The index card box is convenient for organizing small items and can be carried with you anywhere.