1Can keep water hot for long time 2.Pass the FDA,It can prevent the water from leaking.

Capacity:200ml,250ml,350ml and 420ml.

 thermos flask is double-walled and vacuum design and can keep liquids hot or cold for 12 hours and thermos flask bottle is used mainly in company,house,university,hospital ect.

travel thermos flask configuration:seamless fabric,durability bottle.unbreakable to fit into any rucksack ,leather pouch and briefcase.

we can print different logo and painting, model,style and sizes for you according to your requirments.

If you are interested in flask,please contact me freely.

thermos flask