The FIS Plastic Binding Rings in Black offer a durable and versatile solution for binding medium-sized documents. With an 8mm diameter, these rings can hold up to 50 sheets, making them perfect for reports, presentations, and booklets. Each box contains 100 binding rings, providing a practical and cost-effective solution for frequent binding tasks. The sleek black color adds a professional touch to any document. These rings are designed to be compatible with standard binding machines, ensuring easy and efficient document assembly.