Standing pouch with cap on folded edge

A standing pouch comprising

• a first sealed side, a second sealed side, a third sealed side, and a folded side comprising a top surface that is wider than a cap fitment at the center and narrower than the cap fitment at both ends and two folded edges;
• a cap fitment;
• a hole on the top surface;
• a flange on which the cap fitment is mounted, wherein the flange is fitted into the hole and has a flat surface to be sealed to the top surface by heat or ultrasonic sealing;
• wherein the first sealed side and the second sealed side form a first corner, the second sealed side and the third sealed side form a second corner, and each of the first corner and the second corner is compressed into a triangular shape and then folded inward along the second sealed side to form a base of the standing pouch, wherein a vertex of the triangular shape is against the second sealed side;
• wherein the standing pouch is formed by folding a single sheet of a packaging material, the packaging material being sealed along the three open edges to form the first sealed side, the second sealed side, and the third sealed side;
• and
• wherein the first sealed side, second sealed side, and third sealed side comprise a single and continuous seal from an intersection of the folded side and first sealed side to an intersection of the folded side and third sealed side.