A spouted pouch (1) has a spout (10) with a neck (14) extending upward from an attachment portion (12). A cap unit (30) has a cap body (35) and an integrated ring member (50), made as one piece of plastic. A ring member is integrally formed to the lower edge of the skirt of the cap body and comprises an annular base portion (51) connected via breakable bridges (53) to the skirt. The base portion and the spout body (11) have cooperating permanent snap-fit joint portions (56, 21, 23) that keep the ring member fixed to the spout upon removal of the cap body. The pouch further comprises a flow control device (80) made distinct from the spout and from the cap unit. The flow control device is mounted to the neck (14) and has an external part (82) located outside of the exterior surface of the neck. The cap body is arranged over the neck and the flow control device. The ring member and the external part of the flow control device have cooperating retention portions (55, 83).