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An Iso-Tervis Tumbler is made with double-walled insulation, which helps keep your drinks hot or cold for longer periods of time. Regular tumblers do not have this feature.
Yes, Iso-Tervis Tumblers are microwave safe. However, we recommend removing the lid before microwaving to prevent any potential damage.
Yes, Iso-Tervis Tumblers are dishwasher safe. However, we recommend placing them on the top rack and avoiding high-heat cycles to prolong the life of the tumbler and its design.
Yes, all Iso-Tervis Tumblers come with a lifetime warranty. If your tumbler breaks or cracks, simply contact our customer service team for a replacement.
Yes, we offer personalization options for our Iso-Tervis Tumblers. You can choose from a variety of designs and add your own text to create a unique and personalized tumbler.