Brumate Kiwi 20oz Era TumblerMeet your new go to tumbler: a 20oz powerhouse that keeps drinks sealed tight and ice frozen solid for 24 hours. The ColdKey straw and BevGuard technology work together to maintain peak refreshment, while the compact base slides into any cup holder. Perfect for adventures, commutes, and everything in between. Era Tumblers are 100% leakproof with cold beverages and carbonated beverages with ice when in the locked position. Not recommended for use with