Keep your drinks cold while you cheer on the Oregon State Beavers with this 40oz. Rocky My State Tumbler. Vacuum-insulated and double-walled with copper lining, this tumbler maintains the perfect temperature of your beverage for hours on end, ensuring your drink stays hot for up to 8 hours or cold for up to a remarkable 24 hours. The Oregon State Beavers logo is meticulously laser etched into the powder-coated surface, showcasing your team spirit with enduring style.