The present invention relates to a storage or infusion bottle (1) with a bottle neck (3) moulded integrally thereon, the bottle neck having at least one teat-shaped bottle feature (4, 5) projecting from its mouth end, the closed teat end wall (6, 7) of said bottle feature being designed to be puncturable by an infusion needle. The storage or infusion bottle (1) according to the invention is characterized in that a cap (8) is attachable to the bottle neck (3), in that the cap (8) has at least one funnel-shaped cap feature (9, 10), its (9, 10) feature interior space accommodating at least the free end region of the corresponding bottle feature (4, 5), and in that the intermediate space between the end wall of the at least one bottle feature (4, 5) and the opposing side of the corresponding cap feature (9, 10) is completely filled by a hat-shaped sealing element (11, 12) which encloses the bottle feature (4, 5) at least in its end region facing away from the storage or infusion bottle (1) and which is held at the circumference of its hat shape in a form-fitting and/or force-fitting manner on the circumference of the bottle feature (4, 5).