Binder Biurfol A4 40 mm black — Biurfol SE-45-01

Biurfol A4 40 mm black — Biurfol SE-45-01 is a black A4 ring binder with a 40 mm spine width designed to store and organise punched documents, reports and manuals. The binder's durable cover and reinforced spine provide stable support for multiple sheets, enabling filing, sorting and archiving of paperwork in office, school or home environments. The design fits standard A4 paper and common office filing systems.

Advantages

The binder offers a roomy 40 mm capacity that accommodates a substantial stack of A4 punched sheets while maintaining a compact external size. Its rigid cover and reinforced spine improve durability and keep documents flat and protected from bending or creasing. The black finish provides a neutral, professional appearance suitable for a variety of settings. The standard ring mechanism ensures secure holding and easy page turning.

Suitable for

• Organising A4 punched documents such as reports, manuals and handouts
• Office filing and document archiving
• School folders for coursework and assignments
• Home record keeping and personal document storage

Key specifications

• Format compatibility: A4 documents
• Spine width: 40 mm capacity for punched sheets
• Cover material: rigid, durable board with protective finish
• Closure and holding: standard ring mechanism for punched paper
• Colour: black
• Intended use: filing, sorting and archiving of documents

How to use

Open the ring mechanism and align punched documents with the rings, then close the rings until they click to secure the pages. Place dividers or labelled separators as needed to organise sections within the binder. Store the binder vertically on a shelf or horizontally in a drawer; keep heavy stacks upright to avoid warping. For frequent access, label the spine for quick identification.

Usage recommendations

Use compatible A4 punched paper and avoid overfilling beyond the 40 mm capacity to maintain ring alignment and prevent damage. Keep the binder away from excessive moisture and direct heat to preserve the cover and spine integrity. Regularly check the ring mechanism for alignment and gently realign if necessary to ensure smooth opening and closing.