Luminous cork products using food grade PS materials, will light the cork screw plug of silica gel and the composition of electronic components, has the characteristics of a manual switch, top printable clear LOGO. Can not be used to put all kinds of finished drinking after saving open drinks add a romantic and mysterious atmosphere. Luminous bottle stopper is widely used in all kinds of celebrations, events, or the hotel bar places, especially applicable to all types of drinks for promotional gifts!