An improved dropper bottle (10), and in particular a dropper body (12) able to be joined to a container body (11) and closed by a cap (13), are described. The dropper body comprises a first droplet delivery end and an open base, the open base of the dropper body comprising a first projection able to engage with the internal surface of a mouth of the container body, and a second projection able to engage with the external surface of the mouth of the container body. Locking toothing is provided between the dropper body and the container body.