ELCO Office Couvert C4 – White Envelope with Left-Hand Window, FSC-Certified
The ELCO Office Couvert C4 is a white paper envelope with a left-hand window, designed for everyday office correspondence. Each pack contains 10 envelopes in C4 format, suitable for standard A4 documents folded to fit.
Left-hand window ensures the recipient address remains visible through the envelope
FSC-certified paper supports sustainable and responsible sourcing
Pack of 10 envelopes — ideal for regular office mailing needs
White finish provides a clean, professional appearance for business correspondence
What makes the ELCO Office Couvert C4 stand out
The C4 format (229 × 324 mm) accommodates A4 sheets folded in thirds without the need for folding or inserting additional sheets. The left-positioned window is aligned to display the address area of standard business letters, reducing the need for a separate address label.
Ideal for...
Office administrators, HR departments, and anyone handling routine business mail on a daily basis. The pack of 10 is suited for small to medium office volumes where consistent, professional-looking correspondence matters.
Application of ELCO Office Couvert C4
Insert the prepared letter or document into the envelope with the content facing the window
Ensure the address area aligns with the left-hand window opening
Seal the envelope by moistening the adhesive strip on the flap
Drop into the outgoing mail slot or hand to the postal service
ELCO is a Swiss manufacturer of office and stationery supplies, specializing in paper products such as envelopes, notepads, and writing materials. The brand focuses on functional, no-frills office essentials that meet standard European quality and environmental requirements.
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