60 ft Roll 3/4" Metallic Mirror Hula Hoop Craft Tape - Tesla Coil 60 ft Roll 3/4" Metallic Mirror Hula Hoop Tape Tesla Coil 60 ft Roll Tape has a shiny mirror-like finish that has a beautiful reflective quality in the sunlight Tape is 3 mils thick and comes with a plastic backing that you must peel off before use.