How long does the temperature last? Does it stay cold and hot?

How long does the temperature last? Does it stay cold and hot?

Closca Bottle is not a thermos. The time it keeps the content warm depends on both the inside temperature and the ambient temperature. But its borosilicate glass keeps both the cold and heat three times more than conventional glass. In addition, its resistance to thermal shock has been certified by international laboratories.

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    • How long is the CLOSCA mask?

      CLOSCA mask measures 260 mm. total face contour, and 135 mm. wide in the front area (nose and mouth)
    • What are the dimensions of the CLOSCA mask?

      CLOSCA mask measures 260 mm. total face contour, and 135 mm. wide in the front area (nose and mouth)
    • Can I take it through airport control?

      Absolutely! You can take your Closca Bottle through airport security control as long as it is empty. Remember that you can attach it to your suitcase, so you don't carry it in your hand.
    • How does the silicon flap grip system work?

      The silicone flap is very flexible and we can stretch it in such a way that we can adjust our bottle to any backpack, bag, bicycle, baby’s pram... or any item to which it can stay secured with its closing system.
    • Can I put the Closca Bottle in the microwave?

      No. Our bottle is not suitable to be used in microwaves, as the built-in NFC chip would be unusable. You can heat liquids separately and put them in your bottle, but remember, they should not exceed the maximum temperature of 70 degrees.