Ring Binder Donau Master 2-ring A4 75 mm green

Donau Master 2-ring A4 binder in green with a 75 mm spine is designed to store punched A4 documents with high capacity and stable handling. The binder accommodates multiple reports, manuals and loose-leaf papers while fitting standard A4 shelving and filing systems. Its two-ring mechanism provides straightforward insertion and removal of sheets and keeps documents aligned for everyday office, school or home use.

Advantages

The binder offers a wide 75 mm spine that increases storage capacity compared with narrow binders and reduces the need to split large document sets. The two-ring fastening provides a simple and reliable way to secure punched pages, and the A4 format ensures compatibility with common paper sizes and inserts. The green cover makes grouped filing visually identifiable and the construction supports frequent handling and shelf storage.

Suitable for

• Archiving and storing reports, manuals and technical documentation
• Organizing school materials, assignments and project sheets
• Office filing of policies, procedures and client records
• Home paperwork such as warranties, receipts and instruction manuals

Key specifications

• Format: A4
• Spine width: 75 mm
• Ring system: two rings
• Cover color: green
• Capacity: suitable for large sets of punched documents

How to use

Open the two-ring mechanism by operating the manual levers or sliding catch depending on the model, insert punched A4 pages onto the rings and close the mechanism to secure the sheets. Arrange documents in the desired order and add dividers or sheet protectors if needed. Store the binder upright on a shelf or flat in a drawer; label the spine or cover for quick identification.

Usage recommendations

To maintain the ring mechanism, avoid overfilling beyond the recommended capacity and keep the rings aligned before closing. Use reinforced punched holes or plastic sheet protectors for frequently handled pages to extend paper life.