# Hardcover Notebook Sigel Conceptum A4 Checked Dark Blue CO824 — A4 checked page layout, dark blue cover

**URL:** https://aio.lv/en/product--sigel-co824--11538127
**Data updated:** 2026-02-15 12:48 (EET)
**Category:** Stationery Accessories
**Manufacturer:** sigel
**Manufacturer code:** CO824
**EAN:** 4004360771316
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 25.99 €
**Prices and availability valid until:** 2026-07-10 23:59
**Price without VAT (21%):** 21.48 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sigel-co824--11538127

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Sigel Conceptum A4 Checked Dark Blue hardcover notebook (model CO824) is an A4-size notebook with checked (grid) pages and a durable dark blue hardcover. Designed for note-taking, sketches, diagrams and project planning, it provides large writing space and a sturdy cover for protection. Suitable for office, study and home use.

## Long description

Sigel Conceptum A4 Checked Dark Blue is a hardcover notebook in A4 format with checked (grid) pages and a durable dark blue cover. The large page size provides ample space for notes, sketches, diagrams and project planning while the hardcover offers protection and a stable writing surface. The checked layout supports precise alignment for tables, technical drawings and structured notes, making this notebook suitable for both professional and personal use.
Advantages
The sturdy hardcover protects pages from bending and damage, and ensures a reliable surface for writing without an additional clipboard. The checked page layout helps maintain consistent handwriting and accurate diagrams. The A4 format delivers generous space for detailed notes and multi-column layouts. The binding allows pages to lie relatively flat for comfortable writing across the sheet.
Suitable for
 Office note-taking and meeting minutes
 School and university lectures, exercise sheets and assignments
 Technical sketches, diagrams and draft layouts
 Project planning, task lists and timelines
 Home organization, recipes and hobby planning
Key specifications
 Format: A4 (large writing surface)
 Page layout: checked / grid
 Cover: hardbound, dark blue
 Binding: Smyth-sewn or glue-bound style that allows pages to lie flat
 Paper use: suitable for writing, sketching and technical notes
How to use
Use the Sigel Conceptum A4 Checked Dark Blue notebook for structured note-taking, drawing diagrams, creating tables or composing project plans. Open the hardcover flat on your desk or lap to write comfortably across the page. The grid helps align text and shapes; adjust margins and column widths according to your needs. For longer documents, use the full A4 area to draft multi-column layouts or paste reference materials on a blank margin.
Usage recommendations
For best results, use a ballpoint pen, gel pen or pencil to avoid excessive ink bleed-through. Store the notebook flat or upright on a shelf to preserve the hardcover shape. Carry it in a protective bag when transporting to prevent edge wear.

## FAQ

### How much does the Hardcover Notebook Sigel Conceptum A4 Checked CO824 cost, and is it available for purchase?

The price is 25.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 54 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 10.07.2026 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/11538127/66636152_large.webp