Royalford 350ML/12oZ Stainless Steel Vacuum Flask Water Bottle. Made from food-grade stainless steel, this vacuum flask ensures both durability and safety. It keeps drinks hot or cold for hours, preserving the drink's temperature. You can enjoy juice, tea, or hot coffee with the same warmth or icy freshness even after hours. This 350ML bottle is a perfect hydration companion, keeping you hydrated throughout the day. It's great for bringing cool drinks or hot coffee to work and fits in standard bike bottle cages, adult/kids backpacks, or any cup holder for travel. A must-have water bottle for travel, hiking, cycling, tennis, camping, and office work.