Era Sincerely Yours BrMate 30 oz. Era Water Bottle Water bottle, Bottle, Metal straws Era 40oz Amazon.com: Era Regular Liquid Laundry Detergent, 50 Ounce : Health (3) JUGS OF ERA LAUNDRY DETERGENT Earl's Auction Company. Leakproof Dishwasher Safe Cup Holder Friendly A new Era of straw tumbler is here. Our Era tumbler is totally leakproof, and made for stress free sips on the go. It has our fully leakproof Turn 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 drinks cold for 24+ hours, and a cup holder friendly base so you can enjoy 30oz of your favorite beverage, free of leaks and spills throughout your daily journey. 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.