BruMate 40 oz Era Straw Tumbler Cedar Eagle Eye Outfitters New Brumate Era 40oz Leakproof Tumbler in Dark Aura BruMate Era 40oz Tumbler in Dandelion Purple DWER40DAN Glik's Brumate Era 40oz Tumbler Pants Store Brumate Era Etsy. 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