Unique double-wall vacuum insulation stainless steel flasks protect temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot so can stay refreshed for any adventure. Perfect for one-handed hydrating on the go! Leak-proof lid is also insulated to protect drink temperature even longer and keep the lid sweat-free so can stash it wherever.
The flask has a strong insulating layer, ‘thermoseal layer’, and copper coating for better heat retention, (temperature up to 33 centigrade) which allows the liquid to remain hot or cold for almost 24 hours. Stainless steel vacuum insulation virtually eliminates temperature change by creating an airless vacuum space between two stainless steel walls. Cello's range of stainless steel products comes with a unique vacusteel technology. It can easily be carried in an office bag, travel bag, etc. It conveniently fits into side pockets of bags. Neither too big nor too small.
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