Variety of Colors: You'll receive 60 discbound discs in 6 different colors, 10 of each color. These vibrant colors not only meet your diverse needs but also help you classify documents by color. They can also capture the attention of children or students, making them excited to work on their projects. Durable Material: These discbound expansion discs are made of quality plastic, lightweight, safe, non-toxic, and not easy to break. They're easy to store, use, or take on business trips. The smooth surface prevents pages from sticking when turning. Easy to Use: These multi-colored heart binding discs are perfect for organizing your papers, documents, notebook pages, and paintings, keeping them tidy and clear. Wide Application: These plastic book binding discs can be used for A7, A6, A5, A4, and B7 paper in various sizes. They're suitable for loose-leaf binding, memo filing, scrapbooking, and securing neat stacks of documents, registers, syllabus cards, notebooks, papers, and keys, keeping them organized and clutter-free – great for the office and home. Practical to Use: Plastic binding rings can be arranged flexibly, making it easy and convenient to add, remove, and replace notebook pages without damaging the paper. Ideal for students, office workers, travelers, etc. Features: With this binding ring, paper can be combined at will, the inside pages can be flipped, and the number of pages can be increased or decreased as desired. It is also very tight and firm in use and will not fall apart easily. This is a great choice for everyday notebook binding. A mushroom hole punch may be required to use this product; it can punch paper, and then the paper can be used with these rings. Customize or upgrade your own notebook or planner with these discs. Specifications: Color: Multicolor Material: plastic Size: 24 mm Package Contents: 1 set * happy planner discs Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3cm.