Zojirushi Hello Kitty Stainless Steel Thermo Mug is a 16-ounce vacuum insulated mug designed to keep your drinks hot or cold for hours. The mug features a cute Hello Kitty design and is made of durable stainless steel. It is perfect for use at home, in the office, or on the go. The mug is easy to clean and has a leak-proof lid that prevents spills.