Our magical LED Unicorn Balloon is perfect for decorating for your next Unicorn theme birthday party or princess event. Each Unicorn Balloon is made of mylar. Mix & match with our unicorn decorations and novelties for a great unicorn party decoration. (3) replaceable AA batteries are included & installed. Please read all instructions on the package before setting up the balloon or just watch the YouTube video. Sold by the individual balloon. Please order in increments of 1 balloon.