Traditional Judaism requires ritual washing of the hands for a number of reasons including after a full night's sleep, before eating bread with a meal, after having gone to the bathroom, during the Passover Seder, or at other times to remove impurity.
Wash Cup - 5'' Height, 5'' Upper Diameter, 3.25'' Lower Diameter. Cup when folded 1.25'' Height.
Wash Basin - 5'' Height, 12.5'' Upper Diameter, 8.5'' Lower Diameter. Bowl when folded 1.75" Height.