These easy to use light up illoom balloons have a bright led light concealed inside each balloon simply activate the light by pulling out the pull tab and inflate as usual each balloon will stay lit for up to 15 hours and after some great glowing fun you can dispose of illoom balloons as you would any other balloonr r safe for children as young as 3 years and are fantastic fun in the dark illoom light up balloons are available in fifteen packs of all white all marble or in a mixed colour