Product Specifications:Material: 304 stainle steelPackage includes: 1Pcs* thermos bottleColor: Bla,WhiteSize: 500ml-Smart Dial Design :With HD LCD touch screen for prompt real-time water temperature display. Let you drink the water that is most suitable for temperature anytime, anywhere.-Insulation Material :Made of 304 stainle steel, double layer vacuum design, safe, BPA-free and eco-friendly, no smell and easy to clean. It can keep hot or cold water for 12 hours.-Multipurpose :This vacuum flask water bottle is also a good container for coffee, Juicer, milk, , drinks and daily . Best Gift for family and friends.1. Due to the influence of light and monitor, the color may be slightly different.2. Due to manual measurement, please allow 0.5-1cm error. Thank you for your understanding!Tip: Because this thermos has a built-in battery! In order to save power and extend battery life (reduce unneceary clicks), it takes 2-3 fingers to touch the display to display the temperature!