- Available Sizes: Choose from A5 (6 rings), B5 (9 rings), and A4 (4 rings) to suit your document organization needs. Each package includes 1 loose-leaf binder (interior paper not included). - Premium Material: Crafted from high-density PVC for exceptional impact and tear resistance. The binder rings are made from durable stainless steel, allowing for a high capacity of paper without deformation over time. - Practical Design: This sturdy round-ring binder is refillable, making it ideal for managing large volumes of documents. Its portable design fits easily into your handbag, briefcase, or desk drawer, ensuring your documents are always within reach. - Secure Closure: Featuring an elastic band closure to prevent paper from falling out. It opens flat for comfortable reading and writing, with smooth edges and rust-resistant coated rivets. This binder combines elegance with lasting durability. - Use Scenarios: Perfect for students organizing notes for different subjects, professionals managing project documents, or anyone needing a reliable way to store loose sheets. Ideal for classroom, office, or home use. With a focus on functionality, compatibility, and performance, this binder meets a variety of organizational needs while ensuring a professional and reliable storage solution.