Name: Double-layer teacup Process: The bottom is narrower and the opening is , keeping the best shape of yerba mate flavor and duration Capacity: 8oz Uses: yerba mate, coffee, water, milk... colour:Black Material:stainless steel size:80.5 x 108mm Package Contents: 2 x cup 2 x spoon straw 2 x cleaning brush Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.