Our 16 oz LED White String Light Double Wall Cup light up with super bright light string of white LED's in between the double wall of this clear plastic cup with choice of light modes. Choose from slow flash, fast flash or constant on. Each LED cup conveniently comes with a lid & straw for your portable pleasure. Perfect for signature drinks for bars and restaurants and weddings, communions, anniversaries and other events & parties where white fits your color scheme.  Each LED Cup includes 3 included, installed & replaceable AG13 batteries. Sold in increments of 1 cup. Please order by the individual cup. Hand wash only & reusable.