NEW Limited Viral Emilie Kiser Cowgirl Brumate Desert Dreamer Era 40oz Cup Emily Kiser x Brumate Collab. Limited Edition. New in box. 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 Ü-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 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 daily journey. viral , tik tok, collab , limited edition , summer