Sztapel Adjustable Document Cover 237×390 mm, Pack of 50

Sztapel Adjustable Document Cover 237×390 mm, Pack of 50 is a set of reusable protective covers designed for A4-based documents and other formats that fit within the 237×390 mm size. Each cover features an adjustable spine to accommodate different document thicknesses, allowing secure binding and protection for reports, presentations, archived files and ongoing project folders. The covers are manufactured for repeated use and handling in office, education and archive environments.

Advantages

The adjustable design provides flexibility in document thickness without the need for separate sizes, enabling quick adaptation to changing contents. Supplied as a pack of 50, these covers allow uniform presentation and efficient bulk use for filing or distribution. Materials and construction focus on durability and repeated handling while offering basic protection against dust, light wear and page displacement. The covers are compatible with standard A4-based formats and allow neat, consistent organizing of documents.

Suitable for

• Office filing and day-to-day document storage
• Presentations, reports and handouts
• Archiving business records and project documentation
• Schools and educational materials distribution
• Temporary binding for multi-page documents and revisions

Key specifications

• Cover external dimensions: 237 × 390 mm (fits A4-based documents)
• Adjustable spine to accommodate varying document thicknesses
• Pack quantity: 50 covers
• Reusable design intended for repeated opening and closing
• Intended use: protection and binding of loose or stapled pages

How to use

Insert the document stack into the cover so that pages align with the inner guides and the spine. Adjust the spine setting to achieve a snug fit that holds pages securely without excessive compression. Close the cover and check that edges are aligned and the document can be opened and closed smoothly. For best results, distribute pages evenly and avoid overfilling beyond the adjustable range indicated by the manufacturer.

Usage recommendations

Store covers flat or upright in a dry environment to prevent warping. When using for archiving, label the front or spine externally for easy retrieval. Clean with a soft dry cloth; avoid abrasive cleaners or prolonged exposure to high heat or direct sunlight to preserve material integrity.