This spiral-bound index card book from ThreeLeaf is perfect for students and professionals alike. Measuring 3x5 inches and featuring ruled pages, it's great for taking notes, making to-do lists, and keeping track of important information. With its bright and colorful cover, this index card book is sure to stand out on any desk or shelf. And thanks to its perforated pages, you can easily tear out and share notes with others. Whether you're stocking up on school supplies or looking for a handy organizational tool for your home or office, this ThreeLeaf index card book is a great choice.