It is the perfect solution for wine lovers! The main function of these charms is to prevent the use of multiple glasses during a party or gathering. Besides, they can also be used to keep track of other types of wine glasses that are used more often, such as champagnes and vodkas. With the perfect "never-crack" design, these charms are durable and stylish at the same time. They can be applied to many types of glasses, not just wine glasses.