The Mammoth 30oz Rover tumbler is the ultimate solution for keeping your drinks at the perfect temperature on the go. Featuring double-wall vacuum insulation, it prevents condensation and keeps your beverage at the right temperature. Made from 18/8 kitchen-grade stainless steel, its durable and doesnt leave a metallic taste. The Rover comes with a clear lid, rubber gasket, and stopper, ensuring your drink stays secure and maintains its temperature longer.