A feeding bottle comprisinga bottle, which has an opening and an external thread surrounding the opening,a teat, which has a nipple carrier with a fastening edge and, on the nipple carrier, a teat nipple with a drinking hole in a side surface,a ring nut, which has an internal thread for screwing onto the external thread and means for connecting with the fastening edge of the teat, in order to keep the teat from the bottle opening, anda covering cap, which can be placed on the teat and, whereas the covering cap in its placed position presses with the inside of its side wall against the side surface of the teat nipple having the drinking hole and form a seal and, with the inside of its bottom, presses against an opposite side surface of the teat nipple.
