FeaturesMade of 201 stainless steel (outer) and 304 stainless steel (inner), ensuring health and safe drinking.The vacuum thermoses cup can keep hot and cold, very convenient and practical to use.500ml capacity, perfectly suit for office, hiking, school, travel, work, etc.Lightweight and portable, easy to carry.The bottle is equipped with LCD touch screen for prompting real-time water temperature display. Let you know the most suitable drink temperature without opening the lid.Specifications-Color: White/Black/Silver (Optional)-Material: 304 stainless steel-Size: 23*6.3cm/9.05*6.48inCapacity: 500mlInsulation: 6-12 hours-Note: Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting. Package IncludingPackage Included:1*Vacuum cup