This 2000ml portable gradient fitness water bottle is great for your daily use. To use it, simply open the lid and fill it with your favorite drink. It's perfect for carrying around during workouts or daily activities. Remember, don't put it in the microwave as it's not suitable for that. For maintenance, wash it with mild soap and water regularly. Keep it clean to ensure long - term use. This bottle makes a wonderful gift for your friends on various occasions.