How Does S’well Bottle Work
S’well bottle has vacuum insulation technology of triple-layered insulation and a copper layer for enhancing heat retention performance, which enables the bottle to keep any liquid hot or cold for long stretches while maintaining a condensation-free exterior.
When we test the heat retention performance of s’well bottle with ice cold water or hot water in a standard lab environment “24℃+/-2℃”, we can see exactly how it works to keep drinks ice cold for 24 hours and hot for 12 hours.
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