# Ring binder Donau Premium lever A4 50 mm red

**URL:** https://aio.lv/en/product--donau-3955001pl-04--11933707
**Data updated:** 2026-03-10 11:22 (EET)
**Category:** Document Folders
**Manufacturer:** Donau
**Manufacturer code:** 3955001PL-04
**EAN:** 5901498029281
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-3955001pl-04--11933707

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Donau Premium lever ring binder for A4 documents with a 50 mm spine capacity in red. Features a lever (dźwigniowy) mechanism for easy opening and closing of rings, hard covers for document protection and durable construction for office or home use. Suitable for filing, archiving and organizing printed sheets, reports and presentations.

## Long description

Donau Premium lever A4 ring binder with a 50 mm spine in red is designed to store and organize A4 documents such as reports, presentations and loose sheets. The binder combines a lever-operated ring mechanism for easy opening and reliable closure with rigid covers that protect contents against bending and wear. Its 50 mm capacity accommodates a substantial volume of paper while maintaining a slim, professional appearance suitable for office, home or study use.
Advantages
The lever mechanism allows quick and effortless opening and closing of the rings, reducing strain on hands and minimising damage to punched sheets. Hard covers provide stable support and protect documents from external pressure and moisture to some extent. The binder’s durable construction and reinforced spine ensure long-term use and steady page alignment, while the red finish makes it easy to identify among other files.
Suitable for
Filing and archiving A4 documents, reports and manuals
Organising presentations, handouts and training materials
Storing project documentation and client files
Use in offices, home offices, schools and universities
Key specifications
Format compatibility: A4
Spine width / capacity: 50 mm (suitable for a substantial quantity of punched sheets)
Ring mechanism: lever-operated for easy opening and closing
Cover type: hard covers for document protection
Colour: red
Intended use: filing, archiving and organising printed sheets
How to use
Open the lever mechanism to separate the rings and insert punched A4 sheets aligned with the ring positions. Close the rings using the lever until they click into place, ensuring sheets are secured and aligned. To remove or rearrange pages, open the lever and slide sheets off the rings. Store the binder upright on a shelf or in a filing cabinet to preserve shape and keep contents accessible.
Usage recommendations
For best longevity, avoid overfilling beyond the 50 mm capacity, use correctly punched sheets to prevent tearing, and store the binder in a dry, temperate environment away from direct sunlight. Periodically check ring alignment and close the lever gently to maintain mechanism performance.

## FAQ

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

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2532 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 13.07.2026 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/11933707/67366001_large.webp