500-1500Ml Double Stainless Steel Vacuum Flask Thermos Mug Outdoor Travel Large Capacity Thermos Por

500-1500ml double stainless steel vacuum flask thermos mug outdoor travel large capacity thermos portable travel mug

Features:
- Large capacity
The capacity of the bottle can meet your daily requirement.
- Keep beverage hot or cool
It can keep the content hot or cold for a long time.
- Filter
You can use this bottle to brew tea, and the filter will help remove the leaves.
- Anti-slip
There is a piece of anti-slip rubber at the bottom.
- Lanyard
The lanyard is tightly attached to the flask, thus making it convenient to carry.
- Cap
The cap also can serve as a water cup.

Efficiency:
- Hot water
If a full bottle of 100 Celsius degree water is placed in room temperature, it will be 85 Celsius degree 6 hours later, 62Celsius degree 9 hours later and 55 Celsius degree 12 hours later.
- Cold water
If a full bottle of 0 Celsius degree water is placed in room temperature, it will be 6 Celsius degree 6 hours later, 12 Celsius degree 9 hours later and 16 Celsius degree 12 hours later.