Abstract: A vessel holder device attachable to a suitcase for holding a cup containing a drink such as coffee, tea, water, or a soda can, or bottle, or the like (“vessel”) when the suitcase is upright and also while rolling the suitcase at a tilted angle. The vessel holder device includes a handle attachment adapted for releasable attachment to a suitcase handle, a container attached to the handle attachment portion, and a vessel holder attached to the container and being capable of holding the vessel in horizontal orientation when the suitcase is orientated in a range of zero to thirty degrees.