This 18 oz insulated mixing tumbler is made of a passivated 18/8 stainless steel material (to eliminate metallic taste) and is great for both hot and cold beverages. Without a lid, it has a tapared rim for a great drinking experience. With a lid, your beverage is even further protected from the outdoor temperature and bugs. If you already have a BeerNStein™, Rocks Tumbler™ or Muggen™ product, you're in luck! You can interchange your lids in between the different products. Contains no BPA, phthalates, lead, or other toxins. Doesn’t retain or impart flavors.
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