The present disclosure describes a cup system for simultaneous delivery of contents from separated cups to a mouth of a user. The cup system includes an outer cup, an inner cup, a lid, and a cap. The outer cup includes an upper lip with a threaded surface configured to engage with a mating threaded surface of a lid. The inner cup includes an engaging lip configured to engage with a lower inner lip and configured to form a seal between the inner cup and the lid, as well as a flange located below the engaging lip that extends outward from a periphery of the inner cup. The lid includes an outer wall with a lower outer lip comprising the mating threaded surface, the mating threaded surface is configured to engage with a threaded surface. The cap includes a mating engagement feature configured to engage with an inner wall engagement feature.