To use this S-Works Carbon Zee Cage II, simply place your bottle into the cage from the left side. It's designed to fit well with SWAT solutions, so you can store tools and other small items easily. When you're riding and need to grab your bottle, it's right there for you. As for maintenance, clean it regularly with a mild soap and water. Avoid using harsh chemicals as they might damage the carbon fiber. Also, check the cage for any signs of wear and tear over time. If you notice any issues, it might be time to replace it.