The Mr. Maté Calabaza is an Argentinian, all-natural hollowed-out gourd. Discover the traditional to drink maté! But if you ask us, it’s the only way to drink maté! Our Calabaza is ready to use. No need to cure, we have done that for you! You just need to have your favorite Mr. Maté Blend to drink! - The unique, traditional way of drinking yerba mate - 100% natural gourd (Cured) - Durable Alpacca (nickel silver) rim Cleaning the calabaza is easy: rinse it with water (no soap) after use and let it dry!