Envelope NC Koperty C4 white pack 250 sheets – model 31621320

NC Koperty C4 white pack 250 sheets – model 31621320 are plain white C4 envelopes supplied in a pack of 250. The standard C4 format accommodates unfolded A4 documents such as letters, brochures, certificates and forms. Each envelope features a simple adhesive flap for manual sealing and a smooth surface suitable for writing or printing addresses and labels. The product is designed for routine office use, mailings and document storage where a larger envelope format is needed.

Advantages

The envelopes provide a consistent size and appearance across large mailings, reducing time spent selecting compatible packaging. Their plain white finish offers a neutral look appropriate for professional correspondence and internal record-keeping. The adhesive flap enables straightforward manual sealing without additional tape or glue, and the pack quantity of 250 ensures supply continuity for regular business use.

Suitable for

• Sending unfolded A4 documents, brochures and certificates
• Office correspondence and internal filing
• Mailing product information or promotional materials that require larger envelopes
• Archiving single sheets or small document sets

Key specifications

• Format: C4, suitable for unfolded A4 sheets
• Color: white
• Quantity: 250 envelopes per pack
• Closure: adhesive flap for manual sealing
• Finish: smooth surface compatible with writing and address labels

How to use

Place the unfolded A4 document or other item inside the envelope so it lies flat without bending. Remove any protective strip from the adhesive flap if present, then press the flap firmly along the envelope edge to secure the seal. For mailing, write or attach the recipient address on the front and include the sender details on the back or flap as required. Store unopened packs flat in a dry environment to prevent bending or moisture damage.

Usage recommendations

For reliable mailing results, avoid overfilling the envelope and allow the adhesive to bond completely before processing in bulk mailing equipment. When printing addresses directly onto the envelope, test a sample to confirm ink compatibility with the envelope surface.