Amazon.com: 64 oz Stainless Steel Water Bottle, AOZEX ...
Double walled insulation - This 64 ounce stainless steel water bottle has a double walled exterior with a vacuum seal between the walls, which allows it to keep your beverage cold up to 24 hrs and hot up to 12 hrs. Plus, the exterior of the vacuum-sealed area is dipped in copper which helps reduce the transfer of temperature and add more insulation to your bottle. Anti-slip & condensation-free - Aozex big 64 oz …
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