A new Era of straw tumbler is here. The Era tumbler is totally leakproof, and made for stress free sips on the go. It has a fully leakproof Ü-Turnt™ lid that works for both cold and carbonated beverages, ColdKey™ metal straw for minimizing the amount of plastic sitting in your water, BevGuard™ technology to keep ice for 24+ hours, and a cup-holder friendly base so you can enjoy 40oz of your favorite beverage, free of leaks and spills throughout your dally journey. Era Tumblers are 100% leakproof with cold beverages! Capacity: 40oz • Empty Weight: 1.56 los. (0.71kg) • Max Height: 11.5" (with straw) • Max Width: 5.4" (with handle) • Min Width: 3" (cup holder friendly)