Making iced coffee and iced tea is as easy as pressing the brew button on your Keurig brewer. Just fill this specially-designed tumbler with ice, brew your favorite k-cup pack on the 6 oz. Or 8 oz. Brew size, and enjoy something delicious and refreshing. The double-walled tumbler keeps your beverage cool, down to the last thirst-quenching sip. Enjoy your freshly brewed iced beverage on the go with the easy screw-on top and reusable straw. Look for the "brew over ice" icon on k-cup packs specially crafted to brew over ice! hand wash after each use.