Description Planner Expansion Discs are great for a variety of uses such as notebook, planner, loose-leaf, and sample holders. These rings are two holes to fix in, not like other metal rings, without any strength they can be easily installed. Will not hurt your hands. Features -Color:Black -Material: Plastic -Size:2.00X2.00X0.50cm/0.79X0.79X0.20in -It helps you arrange the paper flexibly without damaging the paper when adding, subtracting, or changing the order of the paper. -Lightweight and portable, they are very convenient for you to carry and store. And you can also share with your friends. -Binder Discs are made of good plastic material, durable and practical for long-lasting use. -The loose-leaf Planner Discs are meticulously made, and the color is not easy to peel off. -You can use these Planner Expansion Discs to bind loose-leaf paper quickly and neatly without wasting time. It helps you arrange the paper flexibly without damaging the paper when adding, subtracting, or changing the order of the paper. Lightweight and portable, they are very convenient for you to carry and store. And you can also share with your friends. Binder Discs are made of good plastic material, durable and practical for long-lasting use. The loose-leaf Planner Discs are meticulously made, and the color is not easy to peel off. You can use these Planner Expansion Discs to bind loose-leaf paper quickly and neatly without wasting time.