In a city that never sleeps, even Gotham’s greatest detective needs a midnight pick-me-up. Start your mission right with the officially licensed Batman Engraved on Onyx 30 oz. Stainless Steel Tervis® Travel Mug. Built for stealth and strength, this matte-black, laser-engraved Tervis® tumbler is your ideal sidekick for long drives, stakeouts, or just a quiet moment in the Batcave—because justice runs on caffeine.