Envelope MAILmedia Cygnus Excellence DIN C5 with window, white, 500 pcs

MAILmedia Cygnus Excellence DIN C5 envelopes with window are white paper envelopes supplied in a pack of 500 pieces. Designed to accommodate folded A4 documents or C5-sized inserts, each envelope features a transparent address window positioned for standard A4 fold placement. The envelopes are suitable for everyday business mailings such as invoices, statements and notifications where the recipient address printed on the enclosed document should be visible through the window.

Advantages

These envelopes combine consistent size accuracy with a plain white finish for a professional appearance. The window eliminates the need for separate addressing, speeding up mailing workflows and reducing label use. The paper provides adequate opacity for ordinary correspondence while remaining easy to fold. A standard gummed or self-seal flap (as supplied) ensures secure closure during transit.

Suitable for

• Mailing folded A4 invoices and billing statements
• Business correspondence and official notices
• Mass mailings and bulk dispatch operations
• Internal office document distribution

Key specifications

• Format: DIN C5, sized for folded A4 documents
• Quantity: 500 envelopes per pack
• Color: white
• Window: transparent address window positioned for standard fold
• Material: paper
• Closure type: gummed or self-seal flap (as supplied)

How to use

Insert a folded A4 sheet so the recipient address aligns with the transparent window. Moisten the gummed flap or use the self-seal strip to close the envelope securely. For automated processing, ensure the document is folded consistently and the address block is positioned to match the window location. Use appropriate postage and transport handling according to postal service requirements.

Usage recommendations

Store unused envelopes flat in a dry environment to prevent warping or moisture absorption. When preparing bulk mailings, test a small batch in your folding and inserting equipment to confirm alignment and feed reliability before processing the full run.