The Milton Thermosteel Duo DLX 750 ml Bottle is a premium vacuum-insulated flask crafted from high-quality 304-grade stainless steel. Its double-walled design, enhanced with an inner copper coating, ensures that beverages remain hot or cold for up to 24 hours. The bottle features a unique flip lid that doubles as a cup, facilitating hassle-free and spill-free pouring. Its leak-proof, rust-resistant, and unbreakable construction makes it ideal for home, office, travel, or outdoor use. Available in various colors, including maroon, blue, and rose gold, it combines functionality with style.