Specifications:The surface is smooth and the color is bright.Convenient to use and lightweight for carrying to go camping, hiking, etc..Good for hot coffee, tea, milk, beer, drinking water, etc..Type: CupMaterial: Stainless SteelCapacity: 30/70/180/320ml (Optional)Features: Portable, Smooth Surface, DurableSize Details30mlTop Diameter: 3.9cm/1.54" (Approx.)Bottom Diameter: 2.5cm/0.98" (Approx.)Height: 4.5cm/1.77" (Approx.)70mlTop Diameter: 5.2cm/2.05" (Approx.)Bottom Diameter: 3.2cm/1.26" (Approx.)Height: 5.8cm/2.28" (Approx.)180mlTop Diameter: 6cm/2.36" (Approx.)Bottom Diameter: 5cm/1.97" (Approx.)Height: 8.2cm/3.23" (Approx.)320mlTop Diameter: 7.4cm/2.91" (Approx.)Bottom Diameter: 6cm/2.36" (Approx.)Height: 9.7cm/3.82" (Approx.)Notes:Due to the light and screen setting difference, the color of item may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Cup