Stay hydrated and ready for adventure with the Bob Marlin Bottle. This stylish, 500ml stainless steel bottle features double-wall vacuum insulation, keeping drinks refreshingly cold for 24 hours or piping hot for 12. The leak-proof design prevents spills, while the dishwasher-safe construction ensures effortless cleaning. The Bob Marlin Black Bottle is the ideal, hassle-free hydration companion for any outdoor enthusiast.