Same Day Service: Same Day Service - Now this is the cup to have at every party. This 16 oz. party cup features double wall insulation, which keeps drinks at optimal temperatures. Each cup is made in the USA, BPA free and CPSIA certified. It's also designed to fit into car drink holders. A perfect choice for a tailgate party, corporate function, picnic or sporting event. Add a brand name, logo or message using our customization options.