Our bottle consists of two layers, an inner bottle and an outer bottle and a vacuum is formed between these two layers to create a vacuum dual structure. Although, heat has the property of moving from higher temperature to lower temperatures through metal, wood, glass, water, air and other substances, heat does not transfer in our bottles because of the vacuum. If the outer bottle is damaged by dropping or misuse, the vacuum wall will be broken and the temperature from the inner bottle will be transferred to the outer bottle. Heat retention and cooling insulation disappears so please handle your bottles with care.
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