• True Taste 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 Funkrin coffee mug’s double-walled vacuum insulation can keep beverages hot or cold for hours. It’s perfect for the office, travel, camping, and parties. Note:Heat retention after 4 hours is 131 degree Fahrenheit. Rating is based on water at a starting temperature of 203 degree Fahrenheit at a room temperature of 77 degree Fahrenheit.Not Available For Microwave.
• Top Quality Material：This double-walled, vacuum-sealed coffee mug 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.
• Leakproof Design: The lid is leakproof even when flipped upside down. You can put it in your car, bag, and backpack without fear of leakage. Note:After filling hot water, leave the flip-lid open for seconds to release internal steam pressure, doing so to ensure no leakage.
• Hassle-Free Service: We run a fast, free, and accessible service. We are responsible for all the products we sell; please contact us If you have any product questions. Our after-sale team will respond to your questions and complaints in the earliest opportunities.