# Ring Binder Donau 4-ring A4 30 mm black – Donau 2788304PL-01

**URL:** https://aio.lv/en/product--donau-2788304pl-01--11934008
**Data updated:** 2026-03-10 11:23 (EET)
**Category:** Document Folders
**Manufacturer:** Donau
**Manufacturer code:** 2788304PL-01
**EAN:** 5901503691632
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 7.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-2788304pl-01--11934008

## 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

A Donau 4-ring A4 binder with 30 mm spine capacity in black, designed for organizing and storing punched A4 documents. Features a four-ring mechanism compatible with standard punched sheets and a slim 30 mm spine for moderate document sets. Suitable for office, school, and home use to keep papers, reports, and handouts neatly filed and accessible.

## Long description

Donau 4-ring A4 binder with a 30 mm spine in black is a functional document organiser designed to store punched A4 sheets. The binder combines a durable outer cover with a standard four-ring mechanism that accepts punched paper, enabling orderly storage of reports, handouts and reference materials. Its slim 30 mm width accommodates moderate-sized document sets while keeping a low profile on shelves and in folders.
Advantages
The binder offers reliable sheet retention thanks to its four-ring mechanism and a secure spine that maintains alignment of documents. Its A4 format and standard ring spacing make it compatible with commonly used punched paper, while the black finish provides a neutral, professional appearance suitable for office, school and home environments. The 30 mm spine balances capacity and compactness for everyday filing needs.
Suitable for
Organising and storing A4 punched documents, reports and handouts
Office filing and project documentation
School notes, assignments and course materials
Home administration, manuals and reference sheets
Key specifications
Format: A4 compatible
Ring system: four-ring mechanism for standard punched sheets
Spine width: 30 mm capacity
Colour: black
Suitable for punched paper with standard hole spacing
How to use
Open the rings using the ring-release mechanism, align punched sheets with the ring openings and insert them carefully to avoid tearing. Close the rings until they click to ensure secure fastening. Use the spine to label the binder externally for quick identification. For thicker sets, distribute pages evenly and consider using dividers or plastic sleeves to protect frequently referenced documents.
Usage recommendations
Store the binder upright on shelves to preserve the ring alignment and avoid overfilling beyond the 30 mm capacity to prevent stress on the rings. For long-term archiving, combine with archival sleeves or acid-free paper to protect documents.

## FAQ

### How much does the Donau 4-ring A4 binder 30 mm cost, and is it available for purchase?

The price is 8.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1055 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/11934008/67366296_large.webp