The Zojirushi Mahobin SM-SE48V 0.48L Steel Gray Mug Bottle is an attractive and practical way to enjoy your favorite beverage on the go. The slim design fits perfectly in your briefcase or backpack and features a stylish steel gray finish. Its vacuum insulation keeps drinks hot or cold for hours, while its heat-retaining knob and lid provide added insulation. With its durable construction and leak-proof design, this mug bottle is perfect for enjoying coffee, tea, or other refreshing beverages at home, work, or while traveling.