Brumate Era 40 Oz BrMate Brumate Era 40oz Leakproof Tumbler in Rose Taupe No Box But BruMate 40 oz Era Straw Tumbler Dune Eagle Eye Outfitters Brumate Era 40oz Tumbler Josie's Boutique BruMate Era 40oz Tumbler. No spills, no stress. The Brumate Primrose 40oz Era Tumbler seals tight to keep your drinks exactly where they belong. Its ColdKey straw and BevGuard technology lock in ice for 24 hours of pure chill. Cup holder friendly and ready for anything. 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. Brand: Brumate