[LIFELONG USE] Made from unbreakable stainless steel. No need to cure and super easy to clean. Double-wall design keeps the outer wall cool at all times, so you don't have to worry about it scalding your hand when holding it. Preserves original flavors and does not break or retain odors. [BEST COMBINATION] This Yerba Mate cup is ideal for enjoying delicious and healthy Yerba Mate. The shape, with a narrow base and wide opening, provides optimal flavor and longer duration. [GET A FANCY, EYE-CATCHING DESIGN] Completely smooth interior with no welding marks. Its curved design makes it easy to carry while walking. [SO MANY USES] Our Mate gourds can be used indoors or outdoors. Suitable not only for Yerba Mate but also perfect for storing various beverages such as wine, champagne, cocktails, beer, coffee, juice, and tea. [SIMPLE TO CLEAN] This Gourd Cup Set is incredibly convenient to use and easy to clean. No curing required before use. Name: Double-layer Teacup Process: Narrower bottom and wider opening, designed to maintain optimal Yerba Mate flavor and duration Internal Mouth Diameter: 7.8 cm Capacity: 8 ounces Color: Gray Material: Stainless Steel Size: 8 x 11 cm Package Contents: 1 x Cup 1 x Spoon Straw 1 x Straw 1 x Cleaning Brush Only the above package content is included; other products are not included. Note: Light and display differences may cause slight color variation between the image and the actual item. Measurement allows an error of +/- 1-3 cm.