Brumate Era 40oz SageBrumate Era 40oz Sage Keeps beverages cold for up to 24 hours Stainless steel Leakproof Comfort grip handle DWER40SGE 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 ice for 24+ hours, and a