7th Generation Corvette Emblem Polar Tumbler. Keep your beverages at the perfect temperature with this premium 20oz travel mug. Engineered with double-wall 18/8 stainless steel construction and copper vacuum insulation, it maintains hot drinks hot and cold drinks cold for hours. The high-polish accent adds a touch of sophistication, while the clear acrylic push-on swivel makes this the perfect on the go tumbler. Finished with a durable powder coat, this tumbler is built to last through every drive.