From the product description, check product page for current description, price and availability:

• Perfect for brewed coffee, hot tea, and iced beverages; Incredible hot or cold temperature retention
• Entire inside and rim have real ceramic coating and will not trap flavors, colors, odors or smells
• The smooth ceramic lining is lightweight, it won’t chip, it resists staining and is easy to clean
• Patent pending process binds the ceramic coating to food grade stainless steel that will not sweat
• Dishwasher safe; The push in acrylic lid will seal your beverage and is perfect for sipping hot drinks, and is straw friendly; The lid not leakproof and will not prevent spills