# Envelope Folder A4 Biurfol TKS-01-03 — document sleeve for A4 sheets

**URL:** https://aio.lv/en/product--biurfol-tks-01-03--11768706
**Data updated:** 2026-03-08 22:26 (EET)
**Category:** Document Folders
**Manufacturer:** Biurfol
**Manufacturer code:** TKS-01-03
**EAN:** 5907214870816
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Biurfol TKS-01-03 is an A4 envelope folder designed to hold and protect A4 documents. It serves as a document sleeve for storing, transporting and organizing loose sheets, invoices, letters or reports. The product is suitable for office, home and educational use and provides a compact solution for keeping A4 papers together and protected.

## Long description

Biurfol TKS-01-03 is an A4 envelope folder designed to hold and protect A4 documents. This document sleeve provides a compact solution for storing, transporting and organizing loose sheets, invoices, letters or reports. Constructed for everyday office, home and educational use, the folder helps keep A4 papers together and reduces creasing and edge damage during handling or transit.
Advantages
The envelope folder offers a slim profile that fits easily into bags, briefcases and filing cabinets while keeping contents flat and accessible. Its simple design makes insertion and removal of documents quick and efficient, supporting frequent use. The sleeve is lightweight for easy carrying yet provides a protective layer against dust and minor spills. Compatibility with standard A4 formats ensures predictable storage and filing.
Suitable for
 Organizing and transporting A4 reports, letters and invoices
 Protecting loose sheets and single-page documents
 Archiving school assignments and course materials
 Storing meeting handouts and presentation notes
Key specifications
 Format compatibility: A4 documents
 Function: document sleeve / envelope folder for single-sheet storage
 Typical use environments: office, home, education
 Design: slim, flat profile for compact storage and transport
 Protection: reduces creasing and protects against dust and light handling wear
How to use
Insert A4 sheets into the open end of the envelope folder so that the paper lies flat inside the sleeve. For multiple documents, align edges before sliding them in to maintain a tidy stack. Carry the folder in a bag or place into a filing drawer or binder compartment as needed. When removing documents, slide them out carefully to avoid bending corners.
Usage recommendations
Store the envelope folder away from direct sunlight and extreme heat to preserve material flexibility. Use the sleeve for short- to medium-term storage of documents and combine with rigid carriers if transporting large stacks or important originals to prevent bending.

## 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 Biurfol 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 Biurfol 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

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