Product Overview: Calling all coffee lovers! Our Black Tower Mug's ceramic coating preserves the taste of your precious latte — no gross metallic aftertaste. And at a towering 20oz, you won't need to interrupt your day to refill your coffee. Features: It features double-wall, vacuum-insulated stainless steel construction to keep your coffee hot all day long, and the travel-friendly, splash-proof slider lid keeps your drink from spilling.