The Earthstar Thermosteel flip lid flask has a stainless-steel body with copper coating for better heatretention.
The vacuum insulation helps in keeping liquids hot or cold for up to 24 hours.
This design is extremely sturdy and useful for storing hot and cold beverages like water, coffee, tea, juice and much more.
Additionally, it comes with a unique flip lid that makes it easier to drink directly from the flask or topour into cups and glasses without spilling.
Whether you are at work, home or travelling, the Earthstar Thermosteel flask will come in handy.
The body of the flask is fabricated both inside and outside in 18/8 quality stainless steel.
This makes it hundred percent rust-free. It is advisable to pre-condition the flask depending on what you want to store in it.
So, you can pour hot water if you use it for hot beverages and cold water for cold drinks. However, it is not suitable for carbonated drinks as they may wear out the inner body of the flask.
The Earthstar Thermosteel flask is easy to clean.
Use a mild detergent or dish wash liquid and clean on the inside with a bottle brush.
Do not use very rough cleaning sponges or bleaches, as they may damage the steelexterior of the flask by leaving scratch marks. Also, keep the bottle open whennot in use to avoid any odor. 
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