This Zojirushi Stainless Steel Mug/Bottle is engineered to provide superior heat and cold retention for hours. Featuring high-quality stainless steel construction and advanced vacuum insulation technology, this sleek and durable bottle is ideal for keeping coffee, tea, or cold beverages at their desired temperature. Its compact, cylindrical design makes it easy to carry in a backpack or briefcase. The lid conveniently doubles as a drinking cup, offering a practical solution for on-the-go hydration. The bottle has a hygienic, easy-to-clean interior and a stylish brushed silver finish.