Insulated Unbreakable Vacuum Flask.
For the first time using, please use warm water with suitable neutral detergent to clean.
To ensure product performance and extended product life , please avoid collision or strong attack or falls.
If the wall appears stained,caused by water quality, please soak for 30 minutes in warm water mixed with vinegar.
Clean with soft brush , and dry it with cotton.
The product tank should be kept clean and dry when not in use.
Carbonated beverages are not allowed to be stored in.
Keeps content Hot and Cold for 6-12 hours depending on the initial temperature of the substance.
Note that this time describes if flask is made to fall severally.
However it's Very Exquisite and durable.