Era 40 oz Tumbler Size:40 oz Waterproofness: GORE-TEX

Waterproofness: GORE-TEX

The GridLock's I-beam spine transitions into a large

drinking and cleaning

tick-borne encephalitis) and mosquitoes (West Nile

Weight: 8 oz (230 g)

Era 40 oz Tumbler Size:40 oz Waterproofness: GORE-TEXA new Era of straw tumbler is here. The Era tumbler is totally leakproof, and made for stress free sips on the go. It has a 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 cup holder friendly base so you can enjoy 40oz of your favorite beverage, free of leaks and spills throughout your daily