[Lifetime Use] It is made of unbreakable food grade high quality material. No curing required and super easy to clean. The double wall design keeps the outer wall cool all the time, you don't have to worry about it burning your hand grab it. Keeps theold taste without destroying or preserving it. [Chic and eye-catching] Completely smooth with no traces of welding on the inside. The curved design makes it easy to grip while walking. [BEST COMBINATION] This cup is perfect for enjoying a delicious and healthy mate, this mate shape, with a narrow base and large opening, is the perfect shape for the best yerba mate flavor and duration. [So Versatile] Our gourd can be used indoors or outdoors, not only for Yerba mate, but also perfect for storing any beverage, such as wine, champagne, cocktails, beer, coffee, juice, tea. [Easy to Clean] The tea gourd cup set is very convenient to use and easier to clean. No curing required before use!