Our 20 oz. double wall vacuum tumbler, is the perfect choice for anyone who needs to keep their beverages hot or cold for extended periods of time. The tumbler features a sturdy stainless steel straw with a silicone sip, ensuring comfortable and easy sipping. The tumbler is crafted with an 18/8 stainless steel liner, which is coated with copper and vacuum sealed to provide superior insulation. The tumbler's powder coating adds an extra layer of durability and a sleek finish, making it the perfect option for daily use. With its generous 20 oz capacity, this tumbler is perfect for a wide range of beverages, including coffee, tea, water, and more. Whether you're commuting to work or enjoying the great outdoors, this vacuum tumbler is the perfect companion for all your hydration needs.