The 30oz. RTIC Tumbler is a versatile and durable beverage container. Made from high-quality 18/8 stainless steel, it features double wall vacuum insulation that ensures your drinks stay ice cold for extended periods, while also being suitable for hot beverages. The tumbler comes with a new and improved splash-proof lid, providing a shaded window to easily gauge your drink's remaining quantity. The convenient flip-top closure prevents spills and is compatible with straws. Cleaning is effortless, and the tumbler weighs only 1.19 pounds, making it lightweight and portable. Whether you're enjoying a refreshing cold beverage or a piping hot drink, this tumbler is a reliable companion.