A spout (200, 600) for a container (100, 500), comprising a central duct (230, 630) defining a pouring passage (240, 640) configured to communicate with an interior of the container (100, 500) and extend through an opening (120, 520) of the container (100, 500), an outer sidewall (210, 610) extending around the central duct (230, 630), the outer sidewall (210, 610) configured to engage an interior surface (112, 512) of the container (100, 500) and having an upper end (212, 612) and a flange (614) projecting in a radial direction from the upper end; (212, 612) and a seal ring (250, 650) disposed on the flange (614) of the outer sidewall (210, 610), wherein the central duct (230, 630) and the outer sidewall (210, 610) comprise a first material having a first durometer and the seal ring (250, 650) comprises a second material having a second durometer less than the first durometer.