650ml Coffee Cup Cartoon Thermos Cup Stainless Steel Straight Drink Sippy Cup Large Capacity Carry-on Cup Portable Vacuum Cup. Product Information: Product Name: vacuum cup, Size: 21.8*9.2*8.4cm, Material: 316Stainless steel, Capacity: 650ml. Package includes: 1Pc*Vacuum Cup. Note: Due to manual measurement, please allow some error. The actual color may be different due to the color of the screen. Due to the material of the product, there may be a 1-3cm error in the product size.