Never lose your badge again when you attach it to a Blue LED Flashing Lanyard with Badge Clasp. This lightweight Light Up Lanyard with empty Clasp has 3 settings: flash, blink and a calm still setting, all activated by squeezing the button within the blue battery house. Each soft nylon lanyard has a pull-apart clasp so one size fits all. Dimensions: Height 18.87 in. Width 1.25 in. LED Colors: 8 Blue. Light Up Lanyards come ready to use with 2 replaceable CR2016 batteries. Does not come with badge - you can add any kind you like.