Surprise everyone at every party and celebration with Illooms light-up balloons! Illooms are more than just a regular balloon as each one contains a special LED light that illuminates in the dark! Whether inside or outside the house, Illooms balloons will create a unique atmosphere in your space! Economical pack of 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 light and an activation tag. It also includes a measuring tape for inflation, a sticker for deflation, and usage instructions. The LED light lasts for at least 15 hours. Do not overinflate the balloon. Maximum diameter of 23 cm.