500ML Stainless Steel Vacuum Flask Coffee Cup Travel Mug

Main Features:
- Durable stainless steel construction keeps liquids hot or cold
- Good effect of heat insulation: in 22 degree Celsius indoor environment, fill the cup with 95 degree Celsius water, it'll no less than 55 degree Celsius after 6 hours
- Vacuum insulation technology: where air is sucked out, creating a vacuum between the wall to minimize the effect of outside temperature
- Open the drink lid by pushing the button easily, and lock it tightly by pressing the lid
- Leak-proof design ensures no liquid can escape
- Compact design takes up minimal space while maximizing capacity for effortless transport and storage
- Detachable design: can be taken apart for easy cleaning
- 500ML large capacity is designed for carefree travel