Smart Temperature Measurement Digital Display Stainless Steel Vacuum Flask Cup

1. Material: stainless steel
2. Weight: 300ml: 0.3kg, 420ml: 0.35kg
3. Style: modern and simple
4. Capacity: 300ml/420ml
5. Size: 300ml: 65x170mm, 420ml: 65x200mm
6. Thermal insulation performance: 12-24 hours
7. Power supply mode: button battery
8. Features: bounce open lid, intelligent temperature display, light and compact, long-lasting heat preservation, no dripping