Envelope NC Koperty C-5 white with window, approx. 500 pcs, MPN 31421120

NC Koperty C-5 white envelopes with window are standard C5-format envelopes designed to hold A5 documents or A4 sheets folded once. The envelopes feature a transparent address window positioned to align with common invoice and letter formats. Supplied in a bulk pack of approximately 500 pieces, this white paper envelope is intended for routine office mailing, invoicing and business correspondence.

Advantages

The envelopes combine a classic white finish with a pre-cut transparent window to simplify addressing and reduce the need for separate labels. The C5 size fits common document formats without excessive folding, and the large pack quantity supports high-volume mailing needs, lowering the frequency of reordering. The paper construction offers reliable protection for documents during standard postal handling.

Suitable for

• Mailing invoices and account statements
• Sending business letters and contracts
• Bulk postal mailings and notifications
• Office administration and document distribution

Key specifications

• Format: C5 (suitable for A5 documents or A4 folded once)
• Color: white
• Feature: transparent address window
• Quantity: approximately 500 envelopes per pack
• Material: paper

How to use

Insert the document so the recipient address aligns with the transparent window, fold A4 pages once if necessary, then close the envelope using the provided flap. Ensure the window area is not obscured by internal inserts or additional attachments. Use standard postal stamps or franking as required by your postal service and follow local mailing regulations for size and weight limits.

Usage recommendations

For reliable presentation, position invoices or address pages so that the printed address appears clearly in the window. When preparing large mailings, check a sample envelope through the postal process to confirm address alignment and closure security before sending the full batch.