Keep your beverage at the ideal temperature for hours with this Ozark Trail 30 oz Double-Wall Vacuum-Sealed Tumbler. Whether you're on a camping adventure or jumping into your car, you can keep your thirst under control with this handsome and durable tumbler. This vacuum-sealed travel tumbler is made with high-grade 18/8 stainless steel and has a double-walled construction for maximum temperature control, so it's equally suited to sustaining the temperature of hot and cold beverages.