40 microns, glossy
Folder dimensions: 22 x 30 cm
Packaging: 100/1

Sleeve for storing and protecting unpunched A4 material.

It is important to know

Before choosing an A4 U-folder, pay attention to what type of use your business environment will have – archiving, daily document browsing or quick preparation of materials. There is an important difference between the organization of documents and their protection and accessibility: certain solutions offer more protection, while others provide faster content review. The right decision depends on the real needs of your office.

• The insert U-folder is optimal especially for single sheets or smaller sets of documents where quick review and basic protection against creasing or wear is required.
• A more open type of folder allows for easy insertion and removal of documents, but protection against falling out and carrying larger amounts of documents are limited compared to closed or thicker folders.
• For daily archiving of larger amounts of documents or frequent transfers, we recommend a combination of different folder types within an organization, as one type rarely covers all usage scenarios.

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

In practice

🟢 Archiving individual documents

The product is very suitable for quickly sorting individual sheets by projects or departments, where transparency is key.

🟡 Frequent browsing and updating

Suitable with limitations – easy access to content makes it easier to review, but not optimal for larger bundle combinations or very frequent insertion and removal of documents.

🟡 Short-term delivery of materials

Suitable with limitations – the folder provides basic protection for temporary use or handover, but is not always sufficiently representative or protected for official presentations.

🔴 Carrying larger kits to meetings

Less suitable – openness and thinner material increase the chance of documents being lost or damaged during transport.

Answers to frequently asked questions

Is the U-folder suitable for a larger volume of documents?

This type of folder is best used for organizing and protecting individual sheets or small bundles; for extensive archiving, we recommend using other types of folders.

Does it allow for color sorting of documents?

Color is not specified in the specifications; for color categorization of documents, check the offer in different colors.

How durable is the folder with frequent use?

Basic protection is provided, but for very frequent use or strain, we recommend folders made of harder materials for longer life.

Description updated: October 2026

Why buy from ENAA?

• We deliver more than 95% of orders the next business day, which allows for uninterrupted business operations even when you urgently need additional office supplies.
• We publish prices transparently and without hidden costs - customers immediately see the best offer.