Stay refreshed wherever you go with this premium 500ml double-wall vacuum flask, designed for daily use at work, travel, camping, or outdoor adventures. Crafted with a durable SS304 stainless steel inner wall and a sturdy SS210 stainless steel outer wall, it features a sleek matte black finish for a modern look. Advanced vacuum insulation keeps beverages hot for 6–12 hours and cold for 12–24 hours, ensuring your drinks stay at the perfect temperature. The flask also includes a 250ml multipurpose lid that doubles as a convenient drinking cup, making it an ideal companion for coffee, tea, water, and other beverages.