Surprise everyone at every party and celebration with the bright Illooms balloons! Illooms are more than just a balloon as each one contains a special LED light that illuminates in the dark! Whether indoors or outdoors, Illooms balloons will create a unique atmosphere in your space! Economical packaging with 15 balloons that say "Happy Birthday", specially designed for birthday events. In 5 different colors (3 yellow - 3 blue - 3 green - 3 red - 3 purple). Each balloon has an LED and an activation tag. Also included are a measuring tape for inflation, a deflation sticker, and usage instructions. The LED light lasts for at least 15 hours. Do not overinflate the balloon. Maximum diameter 23 cm.