Vacuum Flask Bottle Lanyard Filter Cup

Description:
It is warm and friendly to give someone a vacuum flask as a gift. It is said that drinking warm water is beneficial to our health. Especially in winter, the elderly and children need to drink more warm water to prevent cold. Additionally, the vacuum flask can keep the water hot for several hours, so it is highly suitable for people who like to take a trip or have camping. Why not take one home and try out?

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 72 Celsius degree 6 hours later, 57 Celsius degree 9 hours later and 42 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.

Specification:
Main material: stainless steel