The 40 oz tumbler with handleand straw made of 18/8 food grade stainless steel, features triple layer, double wall vacuum insulation technology, keeping your drinks at the perfect temperature, all day long. This tumbler is durable, scratch-resistant, and odor-free, making it perfect for all your daily and travel needs.The handle of this tumbler is designed to fit the human hand structure, which means that it's incredibly comfortable to hold and use. The shape of the handle is ergonomically designed to fit the natural curve of your hand, which reduces strain and fatigue, even if you're carrying the cup for an extended period of time.
