[What You Can Receive] 600-count pack of colored index cards, 100 sheets for each color, 600 pages in total. Includes 12 pieces of kraft cover pages for easy organization and 6 metal binding rings for convenient carrying. [Size and Color] Flash cards measure 127 x 76 mm (4.9 x 2.9 inches), compact, portable, and pocket-sized. Can be easily stored in a coat pocket, backpack, jeans pocket, purse, or tote. Colors are random and cannot be specified. [Practical Tools] Made from thick, durable, wrinkle-resistant, smooth paper, ideal for writing. Each sheet is lined to support neat and organized note-taking. Each pack is protected by two sheets of sturdy brown kraft paper to prevent damage and ensure long-term use. [Easy to Carry] Compact and lightweight design makes these flash cards easy to carry. Rounded corners help prevent finger scratches. Binder rings allow cards to be connected for simple storage and organization. [Widely Multiuse] Suitable for studying, note-taking, making lists, and more. Double-sided blank cards can be used for notes, messages, vocabulary, lists, address cards, bookmarks, name tags, craft labels, gift tags, and other organizational purposes. Color: Random (cannot be specified) Material: Paper Size: 12.7 x 7.6 cm Package Contents: 600 x Flash Cards Note: Only the items listed above are included. Other products are not part of the package. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.