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 7-1/8" H x 3-1/4" D at top. Holds 16 oz. Not for use in microwave, Not Dishwasher safe.