patterned paper or scrapbooking paper. A card, letter or postcardDecide what you’re sending before you make an envelope for it, as it will ensure you have the right size for what you need.
Fold one corner of an A4 piece of paper back on itself to make a triangle ... Fold the top of the envelope down to make a crease and unfold it again. Now, take the right flap and fold it back ...