20oz tumbler 
Premium Stainless Steel made from high-quality 304 18/8 stainless steel, our , rust-resistant, and keeps your drinks at the perfect temperature for longer.
Double-Wall Insulation that helps keeps your drinks hot for 9 hours or cold for 12 hours 
Leak-proof and & easy cleaning lid with a sliding closure makes sipping effortless, and the tumbler's wide-mouth design allows for easy cleaning and maintenance.