To all of you big, on-the-go coffee drinkers out there, pay attention. Stanley is taking on-the-go drinking to the next level with a smooth-fired ceramic wall over stainless steel construction, making this 100% BPA free, dishwasher-safe, durable, and without that metallic smell or taste. Pulling all the stops with double-vacuum insulation that keeps your beverage up to 12 hours cold and 6hours hot. With a no-skid base to minimize noise and a splash-proof, slide-open lid for drinking, theyre bringing you the ultimate on-the-go coffee experience to your doorstep.