Premium 500ml OEM Vacuum Thermos Flask with LED Temperature Display

Advanced Vacuum Insulation
Double-wall stainless steel construction with 18/8 food-grade inner lining ensures 12-hour heat retention and 24-hour cold preservation.
Smart LED Temperature Display
Real-time digital readout with high-precision sensor for accurate readings (±1°C), eliminating guesswork for optimal drinking temperature.
Durable & Ergonomic Design
Reinforced copper vacuum seal and anti-slip silicone base prevent spills, while the one-touch lid release ensures effortless operation.
Custom OEM Branding Ready
Ideal for corporate gifting or retail white-labeling, supporting bulk logo engraving and packaging customization.
Versatile Use Scenarios
Perfect for office commuters, outdoor adventures, gym hydration, or as a premium eco-friendly alternative to disposable cups.