Double wall 16oz insulated tritan tumbler. 6″ tall and 3 3/8″ wide at the top, 2 5/8″ at the bottom. Made in America and offering a lifetime guarantee, Tervis tumblers are the go-to drinkware you’ve loved since 1946. Tervis keeps drinks hot and cold with ultra-sonically sealed double-walled insulation, reducing condensation and making them virtually indestructible. Tervis tumblers are also dishwasher, microwave, and freezer safe.