"Designed with double-wall vacuum insulation, it keeps your drinks hot for up to 6 hours or cold for up to 12 hours. Crafted from high-quality 18/8 stainless steel, it's resistant to rust and built to last. 
 
The stainless steel tumbler is perfect for a wide range of beverages, including beer, juice, coffee, and tea. Whether you're at home, in the office, at the gym, or enjoying outdoor activities like picnics or beach days, this tumbler's 40oz capacity ensures you stay hydrated in style.