# NC Koperty E4 Expandable Cardboard Envelope, 290x400x50 mm, Brown, 100 Pieces

**URL:** https://aio.lv/en/product--nc-koperty-90100737--12525078
**Data updated:** 2026-06-17 08:20 (EEST)
**Category:** Other goods
**Manufacturer:** NC Koperty
**Manufacturer code:** 90100737
**EAN:** 4033657100713
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 123.99 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 102.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nc-koperty-90100737--12525078

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

The NC Koperty E4 expandable cardboard envelope is a durable mailing solution designed for shipping documents, catalogs, and flat items. Measuring 290x400x50 mm, this brown envelope features a gusseted design that allows for extra capacity. Made from sturdy cardboard, it provides reliable protection during transit. This pack contains 100 envelopes, making it an ideal choice for professional office use, e-commerce shipping, and secure document storage.

## Long description

The NC Koperty E4 expandable cardboard envelope is a robust mailing solution engineered for the secure transport of documents, catalogs, and various flat items. With dimensions of 290x400x50 mm, this brown envelope features a gusseted design that provides additional capacity for thicker contents. Constructed from high-quality, sturdy cardboard, it offers reliable protection against bending and minor impacts during transit, ensuring your items arrive in excellent condition.
Advantages
The primary advantage of these expandable envelopes is their versatile capacity, which allows them to accommodate bulkier documents or multiple items that would not fit in standard flat mailers. The durable cardboard material provides a professional appearance while maintaining structural integrity throughout the shipping process. By choosing this bulk pack of 100 pieces, businesses can ensure a consistent and efficient packaging workflow for daily operations or e-commerce fulfillment.
Suitable for
Shipping catalogs and brochures
Mailing thick document sets or contracts
Sending flat retail products
Secure office document storage
When it may not be suitable
These envelopes are not designed for shipping fragile items that require cushioning or protection against moisture, as the cardboard is not waterproof. They are also not suitable for extremely heavy objects that exceed the structural limits of the adhesive or the paper material.
Key specifications
Dimensions: 290x400x50 mm
Material: Sturdy cardboard
Color: Brown
Quantity: 100 pieces
Design: Expandable gusset
How to use
To use the envelope, simply insert your documents or items into the main compartment. Ensure the contents are centered to allow the gussets to expand naturally. Peel off the protective strip from the adhesive closure if applicable, or use a secure tape to seal the flap firmly. Ensure the shipping label is applied to a flat surface for optimal readability by scanning equipment.
What to consider before purchase
Verify that the 290x400x50 mm dimensions accommodate your specific items
Assess the weight of your contents to ensure it remains within postal limits
Consider the need for additional protective padding if shipping sensitive items
Usage recommendations
For best results, avoid overstuffing the envelope beyond its 50 mm gusset capacity to prevent seam stress. Store the unused envelopes in a cool, dry place to maintain the integrity of the cardboard and any adhesive components.

## FAQ

### How much does the NC Koperty E4 Expandable Cardboard Envelope 290x400x50 mm cost, and is it available for purchase?

The price is 123.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10000 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 24.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can NC Koperty E4 Expandable Cardboard Envelope 290x400x50 mm be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 NC Koperty 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 NC Koperty 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/12525078/68879634_large.webp