Ring Binder Donau 4-ring A4 35 mm blue, model DONA0206

The Donau 4-ring A4 ring binder (model DONA0206) in blue features a 35 mm spine and a four-ring mechanism designed to hold punched A4 sheets. It provides medium-capacity storage with easy access to documents, making it a practical solution for office, school or home filing. The binder is intended for organising reports, presentations, manuals and archived loose-leaf documents where neat arrangement and frequent handling are required.

Advantages

The binder offers a 35 mm spine that accommodates a moderate number of A4 sheets while keeping the profile compact. Its four-ring mechanism secures punched paper reliably and allows pages to turn smoothly. The durable cover material protects contents from wear and supports upright shelf storage. The blue finish makes it easy to identify among other files and contributes to a uniform filing system.

Suitable for

• Office reports and project documentation
• School and university notes, assignments and handouts
• Presentations and training materials
• Manuals, policies and procedural documents
• Archiving loose-leaf documents and reference materials

Key specifications

• Format compatibility: A4 punched sheets
• Ring type: four-ring mechanism for standard punched paper
• Spine width: 35 mm for medium capacity
• Cover colour: blue
• Intended use: upright shelf storage, stacking and frequent page access

How to use

Open the four-ring mechanism, align the punched A4 sheets with the rings and close the mechanism until it locks to secure the pages. Store the binder upright on a shelf or lay flat if preferred; avoid overfilling beyond the 35 mm capacity to prevent strain on the rings and cover. For adding or removing pages, open the rings fully, adjust the contents and close them again to ensure correct alignment and smooth page turning.

Usage recommendations

For longer-term archiving, use reinforced punched sheets or plastic sleeves to reduce paper wear. Label the spine or cover clearly for quick identification and group similar documents by subject or date to maintain an organised filing system.