The service life of good brand water cups is as long as 15 years. The shell of AQUANODE water cup is made of aluminum, which can effectively prevent water from escaping, and its service life is as long as 15 years. Although the price of water cups is relatively high, they can be used for as long as 15 years after spending money, and you can enjoy all kinds of benefits brought by water at any time. Such water-based cups have become masterpieces of fashion and health professionals. Whether it is for personal use or as a gift, it is excellent.