ELCO Premium Couvert C4, 120 g/m² FSC®-certified white envelope with right-hand window, 250 pieces per box — ideal for professional business correspondence.
ELCO Premium Couvert C4 120 g/m² – Premium White Envelope with Window, Right-Hand
The ELCO Premium Couvert C4 is a high-quality white envelope with a right-hand window, made from FSC®-certified paper at 120 g/m². Designed for professional correspondence and business mail, it combines a clean, modern appearance with reliable everyday performance.
Right-hand window for easy recipient address visibility
120 g/m² FSC®-certified paper — a sustainable choice for everyday office mail
C4 format (229 × 324 mm) fits standard A4 documents folded once
250 envelopes per box — sufficient for regular business correspondence
What sets the ELCO Premium Couvert C4 apart
The window placement on the right side is a practical detail that streamlines mail processing — the recipient address remains fully visible without opening the envelope. The 120 g/m² paper weight strikes the right balance between a substantial feel and easy handling in standard office printers and franking machines.
Ideal for...
Office teams, administrative departments, and anyone who regularly sends professional correspondence. The C4 format is the standard choice for A4 documents folded once, making it the go-to envelope for invoices, letters, and official communications in any Swiss business environment.
Application of ELCO Premium Couvert C4
Insert the A4 document into the envelope with the open end facing up
Fold the document to fit the C4 dimensions if needed
Seal the envelope by moistening the adhesive strip or using a tape dispenser
The right-hand window aligns with the recipient address on the inserted document for clear visibility
ELCO is a Swiss stationery manufacturer known for premium office supplies, including envelopes, paper products, and writing materials. The brand focuses on quality materials and practical design for professional and personal use.
It is designed for professional business correspondence, including letters, invoices, and official documents that require a standard C4 envelope format.
Yes, the 120 g/m² paper weight is suitable for standard office printers and franking machines without jamming or feeding issues.
C4 format (229 × 324 mm), 120 g/m² paper weight, made from FSC®-certified white paper.
Each box contains 250 envelopes with a right-hand window.
Yes, the paper is FSC®-certified, ensuring it comes from responsibly managed forests.
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