Abstract: A bottle teat consisting of a soft elastic material for a drinking bottle, in particular for infants and small children, having: a teat flange, a hollow teat sleeve that projects upward from the teat flange and is connected at its bottom end to the teat flange, a hollow suction part that is connected at its bottom end to the top end of the hollow teat sleeve and projects upward therefrom, a dome-shaped palate-contacting region on a side of the mouthpiece facing the palate, at least one drinking hole in the palate-contacting region that extends from the outside to the inside of the mouthpiece, wherein: an elevated surface that bulges to the outside is on the outside of the palate-contacting region, and the at least one drinking hole is arranged in the elevated surface so that the suction part with the elevated surface can be pressed in a sealing manner against an inwardly bulging sealing surface on the inside of the cap bottom of a cap to cover the bottle teat.

Abstract: An apparatus may include an insert configured to be positioned between a nipple and an opening of a bottle when the nipple is mounted to the bottle. The insert is configured to facilitate airflow out of the bottle and through an interface between the nipple and the bottle when the nipple is dispensing fluid from within the bottle. A system may include a nipple, the insert, and a bottle with an opening. A method may include providing the insert, and positioning the insert between a nipple and an opening of a bottle when the nipple is mounted to the bottle.

Abstract: A drinking attachment (10) for drinking vessels (12), comprising a funnel-like circumferential drinking rim (14), which is open towards the drinking vessel (12), having a fastening section (16) for fastening the drinking attachment (10) to an edge region of the drinking vessel surrounding an opening of the drinking vessel (12), and a bowl-shaped elastic sealing disc (20), which can be inserted into the drinking rim (14) for sealing the drinking rim (14), the sealing disc (20) abutting circumferentially against the drinking rim (14) in the region of the end of the drinking rim (19, which is free in the intended mounting state of the drinking attachment (10) on a drinking vessel (12), while forming an interstice (22), which is open towards the drinking vessel (12), and being designed in such a way that it can be partially lifted from the drinking rim (14) by a suction action of a user of the drinking attachment (10), in order to open a passage to the interstice (22), the sealing disc (20) having in the region o