Drinking vessels

A drinking vessel comprising a bottle, a cup, and a cup lid, wherein:

• the bottle comprises a bottle base, a bottle mouth, and a bottle wall extending between the bottle base and the bottle mouth,
• the cup comprises a cup base, a cup mouth, and a cup wall, wherein a first face of the cup base and an inner face of the cup wall define a cup volume, the cup volume is suitable for holding a potable beverage, and the inner face of the cup wall extends from the cup base to a free edge of the cup wall which defines the cup mouth,
• the cup lid is configured to reversibly engage with one or both of the free edge of the cup wall and the portion of the cup wall adjacent the free edge, and the cup lid is configured to close the cup mouth,
• the cup base and cup wall are configured in such a manner that the bottle base and at least a portion of bottle wall fit into the cup volume with the inner face of the cup wall in close proximity to the portion of a bottle wall,
• the cup further comprises a lid storage recess that is defined by a second face of the cup base and an inner face of a recess wall, wherein the second face of the cup base faces away from the cup volume, the inner face of the recess wall extends from the second face of the cup base away from the cup volume to a recess wall free edge, and the recess wall free edge defines a recess mouth,
• the cup lid comprises a cup wall engaging means, and drinking aperture, and
• the cup lid and lid storage recess are configured in such a manner that the cup lid reversibly engages with the cup lid storage recess so that the cup lid is reversibly retained in the lid storage recess,
• the recess wall comprises at least one retaining projection, each retaining projection extends from the free edge of the recess wall or from a portion of the inner face of the recess wall, and each retaining projection extends over a part of the recess mouth or into the lid storage recess,
• at least one retaining projection is a retaining plate, the free edge of the recess wall defines a substantially circular recess mouth, and the retaining plate is substantially a circular segment.