Brumate Era 30oz Leakproof Straw Tumbler Stay hydrated in bold, functional style with the BrüMate Era 30oz Leakproof Straw Tumbler. Engineered for life on the go, this high-capacity tumbler features a fully leakproof lid, a built-in straw, and a cupholder-friendly base for easy travel. The durable BevGuard™ insulation keeps drinks ice-cold or piping hot for hours—making it the perfect companion for commutes, workouts, or all-day adventures.