Ring binder Donau Master 2-ring A4 50 mm green — Donau

The Donau Master 2-ring A4 ring binder with a 50 mm spine in green is designed for filing and organizing A4 documents. The binder features two metal rings that securely hold punched sheets, a rigid cover that protects contents, and a spine wide enough to store a substantial number of pages. It is suitable for office, school, and home use where neat, accessible document storage is required.

Advantages

The binder provides reliable page retention with two durable metal rings and a 50 mm spine that accommodates thick document sets. Its rigid cover resists bending and helps protect papers from wear and moisture. The simple, professional design and standard A4 format make the binder compatible with punched documents and common filing systems.

Suitable for

• Organizing office reports and project files
• Storing coursework, lecture notes, and school materials
• Keeping financial records, invoices, and receipts
• Compiling manuals, presentations, and reference documents

Key specifications

• Format: A4
• Ring type: 2 metal rings
• Spine width: 50 mm
• Cover: rigid, protective
• Colour: green

How to use

Open the binder rings using the ring mechanism and insert punched papers aligned with the rings. Close the rings to secure documents and place the binder vertically on a shelf or horizontally in storage. To maintain order, group related documents by section dividers or labelled inserts and avoid overfilling beyond the 50 mm capacity to ensure smooth ring operation.

Usage recommendations

For best results, use standard A4 punched paper and distribute pages evenly between the two rings. Add plastic sleeves for protection of frequently handled documents and label the spine for quick identification on shelves.