CERAMIC INTERIOR: Say goodbye to metallic aftertastes with our stainless steel mug and enjoy the natural flavors of your drinks EXTERIOR INFUSED WITH SILVER IONS: Stay healthy and hygienic with our stainless steel coffee mug, ensuring a safe and odor-free drinking experience 18/8 STAINLESS STEEL: Our coffee mug are made from food-grade material, offering unparalleled safety, corrosion resistance, and durability. They are 100% BPA-free, ensuring you can drink without worry. Plus, the double-wall vacuum insulation keeps your beverages hot or cold for hours by minimizing heat transfer TRITAN PLASTIC ULTRA SEAL LID: Enjoy a drip-free sipping experience with our coffee cups on all your adventures, whether you're camping, hiking, or on a long drive. This lid ensures mess-free hydration throughout the day WIDE MOUTH AND COMFORTABLE HANDLE: Filling and cleaning our water bottle is a breeze thanks to the large-mouth design. Moreover, the ergonomic handle provides a comfortable grip, making it easy to carry your favorite drinks wherever you go