Hawaiian Stainless Steel Thermal Tumbler University of Hawaii Holds 16 oz. This stainless steel thermal tumbler has a unique double cavity made of stainless steel with a durable clear acrylic exterior to protect your hands from hot or cold beverages. A spill resistant slide lock lid for easy drinking and non-slip rubber base make this Hawaii souvenir tumbler perfect for your car, home, office or travel use. Measures approximately 7 inches high and 3.25 inches wide at lid. Great gift for yourself or that someone special in your life.