The FEIJIAN Double Wall Thermos is perfect for on-the-go hydration. This high-quality sports bottle is made of 18/10 stainless steel, making it durable and long-lasting. With a 600ml capacity and vacuum insulation, it keeps drinks hot or cold for hours. The leak-proof design ensures no spills while the option to customize allows for a personalized touch. Stay hydrated and stylish with FEIJIAN.