This Liquid Water Bottle is made of high quality 304 stainless steel, which is durable, healthy, and safe to use. It has a leak-proof lid with a silicone gasket, which can effectively prevent leaks and spills. The large capacity of the bottle is 500ml, which can meet the daily water intake needs of men, women, and children. The bottle has a built-in filter, which can effectively filter out impurities, such as dust, rust, and other particles, making the water more pure and refreshing. The bottle also has a timer and an LCD display, which can help you keep track of your drinking water intake and remind you to drink water on time. The bottle is easy to carry and can be used for various purposes, such as gym, office, outdoor sports, and travel. It is a perfect gift for men, women, and children.