The 30 oz stainless steel tumbler with straw and handle is the perfect way to keep your drinks cold or hot for longer periods of time. The tumbler is made of high-quality food grade 18/8 stainless steel and is vacuum-insulated, which helps to maintain the temperature of your beverages.The ergonomically designed handle allows you carry the tumbler comfortable. Whether you're at home, in the office, or on the go, this tumbler is perfect for you. Ideal for car commutes or workouts at home, it has a built-in flip straw for easy and effortless sipping. Snap it shut and the double-wall vacuum insulation will keep your drink fully leakproof and extra cold for hours. It fits comfortably in your vehicle’s cup holder (treadmills and spin cycles, too!) and the folding handle lets you quickly grab and go.