This Mate cup is fantastic for enjoying delicious and healthy drinks. With a narrow opening and a wide base, the best shape for optimal mate flavor and duration. Our Mate can be used indoor or outdoor, Not only for mate, but also perfect for storing any drinks such as wine, champagne, beer, coffee, juice, tea. Completely smooth,inside no welding marks.It’s curved design makes it easy grip while walking. It is made from unbreakable grade steel. No need to cure and super easy to clean.Double-wall design keep the outer wall at all times,you don’t have to worry it scalds your hand when gripping it. Keep flavors and won’tbreak or retain flavors.