Esselte Premium perforated folder A4 Maxi. It is made of transparent polypropylene (PP) with an anti-reflective treatment and contains 30% pre-recycled plastic. The dimensions of the folder are 237 x 1 x 305 mm, which allows you to store up to 80 sheets of paper (80 g/m2). The folders are packed in a set of 25 pieces. The folders are suitable for protecting, storing and presenting documents at home, in the office or at school. They are equipped with 11-hole perforation on the left side for easy storage in binders and folders. The material is copy-safe and acid-free, which ensures long-term protection of documents.

It is important to know

When choosing a U-folder, such as the Esselte U-folder PP, 90 mic, 25/1, it is crucial to consider the type of archiving or document organization you are looking for and what you expect in terms of content review and protection. Particular attention should be paid to whether such a folder corresponds to the true scope and nature of your daily tasks in a business environment.

• U folders allow for a quick visual overview of documents, but they are not optimal for transporting large amounts of paper or regularly moving between locations - when transporting documents frequently, there is a greater chance of documents falling out or getting wrinkled.
• Transparent material is an advantage if you want to quickly identify the contents without opening the folder, but it also offers limited protection from external influences compared to harder, opaque folders.
• The thinner thickness (90 microns) is perfectly suitable for short-term protection of individual sheets or disposable materials, but for long-term archiving or protection of a larger number of documents, it makes sense to consider using more robust solutions.
• The multi-piece set (25/1) is suitable for establishing basic transparency in projects where individual folders serve to organize documents by phases, clients or departments, but due to the open design, functionality remains limited for the systematic archiving of larger amounts of paper.

Source of editorial recommendations: general verifiable guidelines for product selection.

In practice

🟢 Archiving individual documents

The U folder is very suitable for storing individual sheets or smaller sets of materials, where easy and clear access to the content is paramount.

🟡 Preparing materials for meetings

Suitable with restrictions - the folder allows for quick distribution of prepared documentation, but for longer transfers or multiple uses, we recommend considering folders with better security.

🟢 Color organization of documents in the office

Due to its transparent design, it allows for visual separation of document types or status, which is useful for quick orientation in larger teams.

🔴 Transferring larger sets of documents between locations

Less suitable – an open type of folder without a closure does not provide good protection or security against loss of content during frequent transfers.

Answers to frequently asked questions

Is this U folder suitable for frequent use?

Due to the thinner material, it is more intended for occasional, short-term or one-time use of documents.

What does a thickness of 90 microns mean in practice?

This is a standard thickness of protective folder that offers basic protection against mechanical damage, but is not suitable for intensive handling or harsh conditions.

Are the folders in the set separate or connected?

The set includes 25 individual folders that you can use for different content.

Is transparent design an advantage in an open office?

Yes, it allows for quick visual inspection and easier identification of documents without opening them.

Description updated: October 2026

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