The Era tumbler offers leakproof convenience, making it an ideal companion for on-the-go sipping. With a fully leakproof lid, it's perfect for both cold and carbonated beverages. Plus, it comes with a ColdKey™ metal straw to reduce plastic waste, BevGuard™ technology to keep ice intact for over 24 hours, and a cup-holder friendly base for easy, 30oz drink enjoyment on all your daily adventures.

Era Tumblers are 100% leakproof with cold beverages and carbonated beverages with ice when in the locked position. Not recommended for use with hot beverages.