The Starbucks Holiday Tumbler Christmas 2023 Iridescent Diamond Prism Crystal Venti is a 24 oz. cup featuring an iridescent design with a diamond prism crystal finish. This collectible item is an original Starbucks product from 2023, perfect for coffee and tea enthusiasts. Made in China, this tumbler is a unique addition to any Starbucks cup collection, showcasing the brand's iconic theme of coffee and tea.