Abstract: A glow cup includes a liquid container defined at least in part by a cup bottom and a cup sidewall. An illumination member receptacle is positioned at least partially within the liquid container and has a receptacle opening corresponding with an opening through the liquid container. At least one retention feature extends inwardly from an interior surface of the illumination member receptacle. The glow cup has a configuration in which an illumination member is retained within the illumination member receptacle using an interference fit between the illumination member and the retention feature.

Abstract: A semi-rigid, portable, warming device contains chemical reactants that produce heat when mixed. The warming device includes at least two chambers, which contain the chemical reactants separately, until a force is applied to cause the reactants to mix.