Battery-Operated Wine Cork with Submersible LED Fairy String Lights Set of 6 - WhiteBattery operated wine corks with submersible fairy string lights will enchant your guests at your next party. LED lights add mesmerizing illumination to empty or full wine bottles. The tiny bright micro lights look like water droplets clinging to a shiny silver wire. Glistening lights illuminating through glass makes for a fun and creative way to decorate. Each wine cork requires three LR44 batteries (included and replaceable). Dimensions: 19" L x 0.