Ring binder Donau Life 2-ring A4 75 mm spine blue — Donau 3966001PL-10

Donau Life two-ring A4 binder with a 75 mm spine in blue is designed to store and organize punched A4 documents securely. The binder accommodates a high volume of papers and provides a wide visible spine for labeling and shelf identification. It is intended for repeated opening and closing while maintaining document alignment and easy retrieval.

Advantages

The two-ring metal mechanism offers reliable fastening and smooth operation for frequent use. The 75 mm spine provides substantial storage capacity while keeping sheets aligned and accessible. A rigid cover and reinforced edges improve durability, and the blue finish offers clear visual identification among multiple binders.

Suitable for

• Office filing of reports, financial documents and project files
• School or university notes and coursework organization
• Home document storage such as manuals, warranties and certificates

Key specifications

• Format compatibility: A4 punched documents
• Ring system: two-ring metal mechanism
• Spine width: 75 mm for high-capacity filing
• Cover: rigid, with reinforced edges for extended use
• Color: blue for easy visual identification

How to use

Open the two-ring mechanism by lifting the ring levers and insert punched papers onto the rings. Close the mechanism firmly to secure documents and align pages for even stacking. Use a label on the wide spine to indicate contents for quick shelf retrieval. When adding or removing pages, fully open the rings to avoid bending the paper or stressing the mechanism.

Usage recommendations

Store the binder upright on shelves to maintain spine shape and protect the cover. Avoid overfilling beyond the 75 mm capacity to prevent stress on the ring mechanism and ensure smooth opening and closing. For long-term archiving, use archival-safe sleeves or reinforcements on frequently handled pages.