【High-Quality Material】: Our 40 oz tumbler with handle is made of high-quality 18/8 stainless steel, with a high-quality powder coating on the finish and a BPA-free lid to ensure the health and safety of your drinks. 
【Cold and Heat Preservation】: The 40 oz tumbler with handle adopts double-wall vacuum insulation design, sweat-free when keeping cold drinks. The 40 oz insulated tumbler can keep your beverage at a ideal temperature all day.