# Notebook Sigel Conceptum A4 hardcover blank pages dark blue (CO684)

**URL:** https://aio.lv/en/product--sigel-co684--11538132
**Data updated:** 2026-02-15 12:48 (EET)
**Category:** Stationery Accessories
**Manufacturer:** sigel
**Manufacturer code:** CO684
**EAN:** 4004360771538
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 30.16 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sigel-co684--11538132

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

A4 hardcover notebook Sigel Conceptum with blank (unruled) pages in dark blue cover. Model CO684 offers a sturdy hardcover for protection and a flexible binding suitable for sketching, note-taking or planning. Its A4 format provides ample space for drawings, diagrams and full-page notes, practical for office, study or creative work.

## Long description

Notebook Sigel Conceptum A4 hardcover blank pages dark blue (CO684) is an A4-format hardcover notebook with unruled pages and a dark blue cover. The sturdy hardback protects sheets from bending, while the flexible binding allows the notebook to lie flat for drawing, sketching and full-page notes. The blank pages are suitable for freehand drawing, diagramming and mixed media notes, offering ample space for office, study or creative projects.
Advantages
The hardcover provides robust protection for pages during transport and long-term storage, while the blank, unruled paper supports freeform layouts without constraints. The A4 size gives a large working area for sketches, technical drawings or full-page written notes. The binding is designed to open easily and lie flat, improving comfort when using the entire sheet area. The dark blue cover offers a professional appearance suitable for business or educational settings.
Suitable for
Sketching and illustration
Architectural or technical diagrams
Meeting notes and brainstorming
Study notes and project planning
Mixed media and collage work
Key specifications
Format: A4 (approx. 210 x 297 mm)
Cover: Hardcover with dark blue finish
Page layout: Blank (unruled) sheets
Binding: Flexible hardback binding that allows the notebook to lie flat
Number of pages: standard for hardcover Conceptum notebooks (check label for exact count)
Paper suitable for pencil, ink and light marker use
How to use
Use the notebook as a sketchbook, planning book or journal by opening it flat and working across the full A4 sheet area. For drawing, start with light pencil sketches and then refine with ink or marker where appropriate; allow ink to dry before closing the book to avoid transfer. For notes and diagrams, use the blank format to create custom layouts, grids or templates directly on the page. Store the notebook on a flat surface or upright on a shelf to maintain the hardcover shape and protect pages from bending.
Usage recommendations
For best results, test pens and markers on a corner page to check ink bleed-through. Use light to medium-weight markers or fountain pens with appropriate ink to avoid excessive show-through. Keep the notebook dry and store it away from direct sunlight to preserve the cover color and paper quality.

## FAQ

### How much does the Notebook Sigel Conceptum A4 hardcover CO684 cost, and is it available for purchase?

The price is 36.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 21 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 27.07.2026 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. 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 sigel 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 sigel 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/11538132/66636148_large.webp