Quality Ceramic Coating: Your beverages should taste as you expect. Unlike stainless steel, our ceramic interior coating keeps your drinks pure and free from lingering odors and oils. You will not have to worry about that unpleasant metal taste in your mouth. We only use the best, corrosion-free materials. The mug is safe for coffee, tea, wine, milk and more.Longer Insulation Time: The travle mugs double-walled vacuum insulation can keep beverages hot or cold for 8 hours. Its perfect for the office, travel, camping, and parties.Top Quality Material: This double-walled, vacuum-sealed water bottle is copper plated with thick, professional-grade stainless steel. The lid is made of BPA-free plastic which is durable and food-safe.Fits Most Cup Holders: The coffee mug has a handle and is easy to carry. And yet, it still fits in almost any cup holder for secure transport. This makes it an ideal mug to use for commuting.100% Leak-Proof : The lid is 100% leakproof even when flipped upside down. You can put it in your car, bag, and backpack without fear of leakage.Note:Hand Wash Only With Soapy Hot Water. Not Available For Microwave.