Mammoth Coolers 20 oz. Stainless Tumbler The Mammoth Rover 20 oz. tumbler is the ultimate way to take your favorite beverage on the go. The double-walled vacuum insulation keeps your beverage the perfect temperature, with no condensation. The Rover tumbler is built with 18/8 kitchen grade stainless steel making it durable and it will not leave a metal flavor. With a crystal clear lid, rubber gasket and rubber stopper your beverage will maintain constant temperature longer, making it the ultimate drinking experience. Features: - Perfect for on the go - Keeps ice up to 36+ hours - Keeps Liquid hot up to 12+ hours - Fits most cup holders - 18/8 kitchen grade stainless steel - Double wall vacuum insulation keeps beverages hot or cold - Condensation/Sweat Free - Crystal clear lid helps maintain temperature - Rubber gasket and lid stopper prevents spills - Lifetime Warranty - 20 oz. capacity Manufacturer: Mammoth Coolers MFG Number: MS20ROV287 UPC: 856924006334