500ml 750ml Large Capacity Smart Temperature Thermoses Stainless Steel Tumbler

500ml 750ml Large Capacity Smart Temperature Thermoses Stainless Steel Tumbler. Smart Temperature Display: Features a digital Celsius temperature display for real-time monitoring. Long Insulation Performance: Maintains beverage temperature for up to 24 hours. Food Grade Safe Material: Made of 18-8 stainless steel, BPA free and eco-friendly. Customizable Colors: Many colors available in stock with customization options. Versatile Usage Scenarios: Suitable for in-car, indoor, office, outdoor, travel, gym, and sports. Multiple Customization Methods: Supports laser engraving, silk screen, 3D, and heat transfer logos. Fast Sample Delivery: Stock samples ready within 1 day. Strict Quality Control: 100% inspection before shipment to ensure high quality.