# Notebook with lock and pen Derform Best Friends 10 — 3-color pages

**URL:** https://aio.lv/en/product--derform-5901130099429--12046049
**Data updated:** 2026-04-01 17:19 (EEST)
**Category:** Paper Notepads
**Manufacturer:** Derform
**Manufacturer code:** 5901130099429
**EAN:** 5901130099429
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Derform Best Friends 10 is a locked notebook set that includes an integrated pen and three-colour pages. Designed for personal notes, journaling and gift use, it offers privacy with a small lock mechanism and a compact format suitable for school, travel or daily planning. The product is practical for teens and anyone who prefers a secure, portable diary.

## Long description

Derform Best Friends 10 — 3-color pages is a compact locked notebook with an integrated pen designed for private notes, journaling and everyday planning. The notebook combines a small locking mechanism with tri-colored paper to help organize entries visually while keeping personal content secure. Its portable format and included pen make it suitable for school, travel and daily use.
Advantages
The notebook provides a simple privacy solution via a built-in lock and key, reducing the risk of accidental reading. Three-color pages allow quick visual categorization of notes without extra dividers. An integrated pen holder with matching pen ensures you always have a writing tool at hand. The compact size supports easy carrying in a backpack or handbag.
Suitable for
Personal journaling and diary entries
School notes and homework organization
Travel notes, lists and reminders
Gift for teenagers and friends
Key specifications
Format: compact notebook with lock
Pages: multi-color (three colors) for visual organization
Closure: small mechanical lock with key
Included accessory: integrated pen and pen holder
Use: designed for portable, everyday note-taking
How to use
Open the lock with the supplied key to access the pages, use the integrated pen to write directly in the notebook and close the lock to secure your notes. Use different colored pages to separate topics, dates or types of entries. Keep the key in a safe place or on a keyring to avoid misplacing it. Store the notebook in a bag or on a desk when not in use.
Usage recommendations
For best results, assign a meaning to each page color (for example: blue for daily notes, pink for ideas, yellow for reminders) to maintain clear organization. Avoid forcing the lock and keep the key dry to preserve the locking mechanism.

## FAQ

### 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 Derform 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 Derform 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/12046049/67532583_large.webp