- PVC spiral
- 100 pieces per pack
- for binding up to 140 sheets
- step 2:1 (21 holes)

It is important to know

Before choosing a spiral for your binding, it is crucial to understand the relationship between spiral size, sheet count, and business usage requirements. The size and material choice affect not only the appearance, but also the performance of the binding in practice, especially for larger documents or archiving. It is also advisable to consider color organization, but this should not override basic functional needs.

• Choosing a 16 mm spiral is appropriate if the number of sheets does not exceed the declared capacity - a diameter that is too large or too small can affect the usability of the binding and the appearance of the document.
• Plastic spiral is often more flexible with thicker documents and makes it easier to add or remove sheets later, while offering less strength than wire.
• The color spiral makes it easier to archive and visually organize projects, but the selection should still be focused on functionality according to the intended use.
• Before making a major purchase, it is recommended to check the compatibility of the spiral with your office binding machine, as not all machines are adapted to all types and sizes of spirals.

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

In practice

🟢 Binding of larger documents

The 16 mm plastic spiral is very suitable for binding documents with a larger number of sheets, as it allows for secure and neat stapling and makes it relatively easy to handle.

🟢 Color separation of content

The red color makes the spiral suitable for quickly identifying projects or departments, which makes organization easier in a business environment.

🟡 Preparing presentation documents with labels or covers

If you plan to add thick covers or spines, check the total thickness of the document – 16 mm spiral has its own limitations, so it is suitable with limitations in this case.

🟡 Archiving frequently used sets

For documents that are frequently opened and closed, plastic can withstand constant use, but it is not as strong as wire; be aware of the possibility of gradual loosening with prolonged use.

🔴 Binding very thin documents

For a smaller number of sheets, a 16 mm spiral will be too large and the binding will be loose, which can reduce the neatness of the document.

Answers to frequently asked questions

Is a 16 mm spiral suitable for binding documents with less than 50 sheets?

With a smaller number of sheets, the binding will be loose, so it is recommended to use smaller spirals for thinner documents.

Can I add or remove sheets to this spiral after the first binding?

Plastic spirals make it easy to add or remove individual sheets even after the initial binding.

Which binding machines is the spiral compatible with?

Compatibility depends on the standard of the machine itself; check before purchasing whether your machine supports plastic spirals of the appropriate diameter.

When does it make more sense to choose a red spiral?

Colored spirals like red make it easier to separate content, e.g. by projects, departments, or types of documentation.

Description updated: October 2026

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