The Mobot 18 oz .5 liter water bottle roller is a sleek and durable stainless steel water bottle with a screw-on lid. It features a double-wall insulated design to keep your drinks cold for longer periods of time. The black color and sleek design make it both practical and stylish for fitness enthusiasts on-the-go. The reusable and leakproof design ensures that you can stay hydrated without worrying about spills. Perfect for running, yoga, or any outdoor activity.