Vacuum Sealed with Copper Insulation - The Summit water bottle is double-walled and vacuum insulated. The exterior of the inner wall, in the vacuum insulation, is lined in copper for increased insulation. This technology increases the insulation capacity, keeping your beverage hot or cold for hours. Details of insulation properties for each size are listed in the description and featured photos. No need for koozies or coasters! Your bottle will never sweat or be hot to the touch.
- - Stainless Steel Hydro Metal Flask +2 Lids - Wide Mouth Double Wall Vacuum Insulated Pink Large 2 Liter Half Gallon Leakproof Thermos
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