# Ring Binder Donau A4 4-ring 40 mm black

**URL:** https://aio.lv/en/product--donau-3735001pl-01--11933584
**Data updated:** 2026-03-10 11:22 (EET)
**Category:** Document Folders
**Manufacturer:** Donau
**Manufacturer code:** 3735001PL-01
**EAN:** 5901498015208
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 6.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-3735001pl-01--11933584

## 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

A4 ring binder from Donau with a 4-ring mechanism and 40 mm spine suitable for storing punched documents. The black binder is designed for office and home use, holding a substantial number of sheets, facilitating organized archiving, sorting and transport of documents. Compatible with standard A4 punched paper and dividers.

## Long description

Donau A4 4-ring binder with a 40 mm spine in black is a practical storage solution for punched A4 documents. Designed by Donau for office and home environments, the binder accommodates a substantial stack of sheets and supports organised archiving, sorting and transport of papers. The simple black cover and standard four-ring mechanism make it compatible with A4 punched paper, dividers and most ring-binder accessories.
Advantages
The binder combines a durable cover with a reliable four-ring mechanism that keeps documents secure and aligned. Its 40 mm spine provides increased capacity compared with slim binders while retaining a compact footprint for shelf storage. The black finish offers a neutral, professional appearance suitable for filing systems and meeting folders. The mechanism is designed for smooth opening and closing to simplify adding or removing punched sheets.
Suitable for
Archiving and filing A4 punched documents in offices
Organising study materials, reports and project documentation
Transporting grouped documents between home and workplace
Storing documents with dividers for quick referencing
Key specifications
Format compatibility: A4 punched paper
Ring mechanism: 4-ring system
Spine width: 40 mm capacity for multiple sheets
Colour: black
Cover: sturdy material suitable for frequent handling
How to use
To use the binder, open the four-ring mechanism and align punched sheets or dividers with the rings. Close the mechanism firmly to secure pages in place. For best results, distribute sheets evenly and avoid overfilling beyond the spine capacity. Use labelled dividers or spine labels to categorise sections and improve retrieval. When transporting, close the rings completely and store the binder upright or flat to prevent page shifting.
Usage recommendations
For organised filing, combine the Donau binder with A4 punched dividers and use spine labels for quick identification. Regularly check the ring alignment and avoid forcing excessively thick stacks to prolong the mechanism's life.

## FAQ

### How much does the Ring Binder Donau A4 4-ring 40 mm cost, and is it available for purchase?

The price is 7.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 382 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/11933584/67365880_large.webp