The 5 Best Insulated Water Bottles (2021) to Keep Your Water Cold
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By A Mystery Man Writer
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4.8(236)
Product Description
We tested five insulated bottles with a precision thermometer to find out which stayed cold—or hot—for 24 hours.
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This Coolflask 64oz Double Wall Stainless Steel Water Bottle keeps drinks hot or cold for a whole day. It is ideal for taking on hiking, camping, or to work. With a large capacity 1/2 gallon, it holds enough refreshments for you to stay hydrated for hours at a time. Constructed of 18/8 stainless steel, the bottle is BPA-free, rustproof, and safe for all. Sweat-free double wall vacuum design keeps the inside at the right temperature and the outside pretty and dry.