Self-Adhesive Envelopes MAILmedia C6 21173/0 White, wood-free offset paper

MAILmedia C6 self-adhesive envelopes model 21173/0 are made from white wood-free offset paper and sized for standard C6 correspondence. These envelopes feature an integrated self-seal closure that enables fast and secure fastening without separate adhesive tape or moisture. The plain white surface is suitable for inkjet and laser printers as well as manual addressing, providing a clean, professional appearance for business mailings, invoices and invitations.

Advantages

The envelopes combine wood-free offset paper for good opacity and reliable print results with a pressure-sensitive adhesive strip for immediate sealing. Their C6 format fits standard folded A4/A5 inserts and reduces the need for additional sealing tools. The smooth white finish supports legible printing and clear postmarks while the robust paper reduces the risk of tearing during handling and mailing.

Suitable for

• Business letters, invoices and statements
• Invitations, greeting cards and announcements
• Mass mailings and transactional mail
• Printer-based addressing and manual addressing

Key specifications

• Format: C6 (suitable for folded A4/A5 inserts)
• Material: wood-free offset paper, white
• Closure: self-adhesive (pressure-sensitive strip)
• Surface: smooth, suitable for inkjet and laser printing
• Use: single-sheet correspondence and standard postal items

How to use

Insert the prepared documents folded to C6 size, remove the protective strip from the adhesive area and press the flap firmly to seal. For printer addressing, ensure the envelope is compatible with your device's manual feed or envelope tray and follow the printer manufacturer's guidance for envelope orientation. Store envelopes flat in a dry environment to preserve the adhesive performance prior to use.

Recommendations

For best results with printed addressing, test a single envelope in your printer to confirm feed and print alignment. When sending important documents, allow a short pressing time after sealing to ensure full adhesive contact. Keep envelopes away from high humidity and direct heat to maintain paper integrity and adhesive function.