# Ring Binder Donau Master 2-ring A4 50 mm blue

**URL:** https://aio.lv/en/product--donau-3947001pl-10--11933702
**Data updated:** 2026-03-10 11:22 (EET)
**Category:** Document Folders
**Manufacturer:** Donau
**Manufacturer code:** 3947001PL-10
**EAN:** 5901498012986
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-3947001pl-10--11933702

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Donau Master 2-ring A4 binder in blue with a 50 mm spine, designed for organising and storing A4 documents. Features two metal rings for secure fastening of punched papers and a durable cover for everyday office, school or home use. Suitable for filing reports, manuals, presentations and archived paperwork.

## Long description

The Donau Master 2-ring A4 binder in blue offers a practical solution for organising and storing A4 documents. With a 50 mm spine and two metal rings, this binder secures punched papers and keeps sets of documents together for office, school or home use. The durable cover is designed for frequent handling and provides a compact, upright storage format on shelves and in cabinets.
Advantages
This binder combines a wide 50 mm spine with two sturdy metal rings to hold larger document sets while maintaining a slim profile on storage shelves. The rigid cover resists creasing and protects contents from dust and light wear. The ring mechanism opens and closes smoothly for easy insertion and removal of punched papers, and the blue finish allows quick visual identification among other files.
Suitable for
Filing and organising reports, manuals and presentations in A4 format
Archiving invoices, contracts and administrative paperwork
School and university course materials, handouts and assignments
Home document storage such as warranties, receipts and instruction booklets
Key specifications
Format: A4
Spine width: 50 mm
Ring type: 2 metal rings
Cover: rigid, durable material with blue finish
Capacity: suitable for multiple punched documents up to the 50 mm spine limit
How to use
Open the ring mechanism and insert punched papers evenly onto both rings to distribute weight and prevent skewing. Close the rings until fully engaged to secure pages. Store the binder upright on a shelf or lay flat in a cabinet; when removing or adding large numbers of sheets, support the spine to avoid strain on the rings. For long-term archiving, label the spine or front cover for quick identification.
Usage recommendations
Use standard A4 punched papers with compatible hole spacing to ensure smooth operation. Avoid overfilling beyond the 50 mm spine capacity to prevent ring deformation. Keep the binder away from prolonged direct sunlight and moisture to preserve the cover and document condition.

## FAQ

### How much does the Donau Master 2-ring A4 binder 50 mm cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 31 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 14.07.2026 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/11933702/67365996_large.webp