Shiver me timbers these fabulous swashbuckling balloons light up from within and glow for up to fifteen hours each pack of five illoom pirate balloons contains a mix of red blue and white balloons that can be inflated to nine inches and contains a small led that lights up the balloon for brilliant effects once activated each balloon carries a jolly roger skull and crossbones motif which makes them great for themed parties simply pull the tab to activate the led for fifteen hours glowr 5 pa