C4 window left; gummed
The recipient's address, printed in the cover letter or on the document itself, appears in the left-side window with dimensions of 45 x 100 mm. The envelopes are securely sealed with a reliable, gummed closure flap that is activated by moistening. These C4 envelopes are made from high-quality, sturdy FSC®-certified paper with a high whiteness level – a visual and tactile highlight.
- 120 g ultra white (pourtoi plus)