# Donau ring binder A4, 50 mm spine, dark blue

**URL:** https://aio.lv/en/product--donau-3950001pl-17--1071452
**Data updated:** 2026-03-07 10:58 (EET)
**Category:** Document Folders
**Manufacturer:** Donau
**Manufacturer code:** 3950001PL-17
**EAN:** 5901498032205
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-3950001pl-17--1071452

## 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

A Donau A4 ring binder with a 50 mm spine in dark blue. Designed to store and organize punched A4 documents, the binder accommodates a large capacity of papers and uses a ring mechanism for secure fastening. Suitable for office, school, archive and home use where medium-to-high document capacity and durable binding are required.

## Long description

Donau ring binder A4, 50 mm spine, dark blue is a durable A4 binder designed for storing and organising punched A4 documents. The 50 mm spine provides medium-to-high capacity for papers and the ring mechanism keeps documents securely fastened. The dark blue cover offers a professional look suitable for offices, schools, archives and home filing systems.
Advantages
The binder combines a sturdy cover with a reliable ring mechanism to ensure documents stay in place and remain protected from wear. Its 50 mm spine balances capacity and manageability, allowing for a significant number of A4 sheets without becoming overly bulky. The dark blue finish resists dirt and maintains a consistent appearance over time.
Suitable for
 Office filing and presentation of project documentation
 School materials, handouts and coursework
 Home paperwork and household records
 Archiving and temporary storage of punched documents
Key specifications
 Format compatibility: A4 punched documents
 Spine width: 50 mm for medium-to-high capacity
 Closure: metal ring mechanism for secure fastening
 Cover colour: dark blue
 Intended use: office, school, archive, home
How to use
Open the metal ring mechanism and align punched documents with the rings. Carefully insert the rings into the punched holes and close the mechanism until it clicks to ensure a secure hold. Arrange pages in the desired order and close the cover for storage. For frequent access, avoid overfilling beyond the 50 mm capacity to maintain smooth opening and closing of the rings.
Usage recommendations
Store the binder upright on a shelf to reduce pressure on the rings and cover. Use plastic sleeves for loose or frequently handled documents to protect paper edges and extend the service life of both documents and binder.

## FAQ

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

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 118 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/1071452/68541061_large.webp