Colorful:There are 100 pieces plastic pen clip discbound discs.There are multiple colors available,you can freely choose colors to match your planner or notebooks so on. Features:You can insert your pen into the discbound notebook planners.Convenient to carry, allowing you to record anytime, anywhere. Dimensions: 1.1inch(28mm)Discbound Discs holds round 100 sheets. Our pen clip discbound discs are compatible with popular discbound notebook systems,discbound planner accessories and covers.Compatible with Circa,Arc,TUL,Office by Martha Stewart,and the Big Happy Planner. Usage:These plastic pen clip discbound disc can be applied to various sizes of papers, cover, accessories.and binding planners,notebooks,agendas,albums,recorded content,files folder, photo bags, file bags, index, curriculum cards,business card bags ,etc.You can add and remove the pages as you wish;the pages can be turned 360 degrees. Quality:Constructed from premium plastic,lightweight and safe.offering durability and ease of use for everyday handling. Product Name：Disc Binder Rings Disc Journal Discbound Notebook Accessories System Plastic Expander Happy Planner Discs Material:Plastic Used for:DIY discbound planner notebook journal dividers artwork extra pages Color:Red,Orange,Yellow,Sky Blue,Purple,Pink,Dark pink,Black,White,Clear,Clear Silver,Brown,Gray Size:1.1 inch (28 mm) Package: 100pcs/OPP bag Capacity:Binding 100g paper around 100 sheets Features: 1.ABS plastic 28mm discs to increase the page capacity of your discbound notebooks, With this binding ring, the paper can be combined at will, the inner page can be flipped, and can be increased or decreased at will. The mushroom hole ring can be used for Junior,Letter,Mid-Size papers of various sizes. 2.Elegant color,Pen ClipShape.You can insert your pen into the disc at any time when you are not using it. 3.luxury and beautiful-High Quality,lightweight,reusable,Colorful,High Quality,innovative.DIY your unique Dairy Book,DIY your notebook,DIY your planner.You can add and remove the pages as you wish;the pages can be turned 360 degrees.Compatible with Circa,Arc,TUL,Office by Martha Stewart,and the Big Happy Planner. 4.Use for disc bound notebook system,discbound planner,planner accessories,discbound notebook,discbound discs,discbound journal,planner accessories for women,disc notebook,disc planner,plastic expander,discbound notebook accessories,loose leaf discbound disc,planner discs, disc binder rings,binding discs,binding disc,planner book,artwork,albums and so on.