American Express

Material: 304 stainless steel (inside &amp; outside)
Capacity: 500ml
Insulation: 12-24 hours performance
Display: Smart temperature measurement
Style: Modern simple straight cup
Colors: 20+ options available
Customization: Free lettering service
Suitable for: All ages, universal use

Smart Temperature Display Technology

Experience the future of drinkware with intelligent touch display temperature measurement. This high-tech vacuum flask features a smart digital screen that shows real-time water temperature, eliminating guesswork and preventing burns. The three-color temperature display system provides instant visual feedback - green for cool, yellow for warm, and red for hot - making it safe and comfortable to drink every time.

Superior Insulation Performance

Built with premium 304 stainless steel construction inside and out for maximum durability and safety. The advanced 4-layer lock temperature system maintains your beverage temperature for 12-24 hours, whether hot or cold. High-density protection technology locks in the current temperature, ensuring your drinks stay at the perfect temperature throughout the day.

Customizable Gift Option

Perfect for any occasion with free personalized lettering service available. Choose from multiple color options including classic black, China red, beautiful pink, metal blue, jazz white, and many gradient combinations. Ideal for business gifts, student commemorations, party favors, or staff welfare programs.