Tired of constantly buying envelopes, especially with rising stamp costs? There's a smart, cost-free solution using just a single A4 sheet.
This simple folding technique is perfect for holiday cards, birthdays, or personal letters – reliable across regions like France and Quebec.
Watch the quick video tutorial below to see it in action.
- A sheet of writing paper or plain A4 paper
1. Fold the paper in half upward.
2. Unfold it.
3. Fold the bottom corners toward the center crease.
4. Fold the side edges inward, aligning with the triangle edges.
5. Tuck each end under the opposite flap to form a rectangle.
6. Write the recipient's address on the front.
7. Affix a postage stamp.

Voilà – a sturdy, glue-free envelope made in seconds. Quick, eco-friendly, and budget-savvy for any occasion.