This Magic Unicorn Balloon features a pretty white unicorn with rainbow mane and a sparkly silver horn. The foil Ballon Magic Unicorn measures 33x29 inch. Inflate the unicorn foil ballon with air or helium. Simply slide the nozzle of the pump in the opening and inflate. The unicorn foil balloon is self sealing, so just remove the nozzle from the balloon and press the valve flat to seal. Do not tie the ribbon arount the valve of the balloon or a leak may occur.