# Ring binder Donau Premium lever-arch A4 50 mm gray

**URL:** https://aio.lv/en/product--donau-3955001pl-13--11933859
**Data updated:** 2026-03-10 11:23 (EET)
**Category:** Document Folders
**Manufacturer:** Donau
**Manufacturer code:** 3955001PL-13
**EAN:** 5901498029496
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-3955001pl-13--11933859

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Donau Premium lever-arch ring binder for A4 documents with a 50 mm spine. Designed to store and organize punched papers, reports and manuals; features a lever-arch mechanism for secure closure and easy opening. Suitable for office, school and home use where medium-capacity document filing and frequent access are required.

## Long description

Donau Premium lever-arch A4 ring binder with a 50 mm spine is engineered for organised storage of punched documents, reports and manuals. The binder accepts A4 sheets and provides medium-capacity filing with a robust lever-arch mechanism that secures pages and allows quick opening and closing. The gray cover is suitable for professional and everyday environments such as offices, schools and homes where frequent access to documents is required.
Advantages
The lever-arch mechanism offers reliable page retention and smooth operation for frequent use. A 50 mm spine provides space for a substantial stack of punched sheets while keeping the binder compact enough for shelving. The durable cover resists wear and keeps contents protected. The neutral gray finish helps with visual organisation and blends into different workspaces.
Suitable for
Filing A4 reports, manuals and project documentation
Organising school coursework and lesson materials
Archiving business records and administrative paperwork
Frequently accessed reference materials in offices and workshops
Key specifications
Format: A4
Spine width: 50 mm
Closure mechanism: lever-arch ring
Cover colour: gray
Capacity: medium (suitable for several hundred punched sheets depending on paper weight)
Designed for punched (two- or four-hole) A4 sheets
How to use
Open the lever-arch mechanism by lifting the lever and spread the rings to insert punched sheets. Align punched holes with the rings and close the mechanism securely by lowering the lever until it locks. To remove pages, open the lever and slide sheets off the rings. Store the binder upright on a shelf or flat on a desk; ensure the spine label area (if present) is visible for easy identification.
Usage recommendations
For long-term organisation, group related documents and use dividers or labelled separators to prevent frequent rearranging. Avoid overfilling beyond the 50 mm capacity to maintain smooth operation of the lever-arch mechanism and to protect punched holes from tearing. Keep the binder in a dry environment to preserve the cover and paper contents.

## FAQ

### How much does the Donau Premium lever-arch A4 50 mm binder cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 19512 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Donau products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Donau service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11933859/67366149_large.webp