Bio Ionic Graphene MX Curling Iron 1.25 inBio Ionic Graphene MX Curling Iron 1. 25 in Graphene, the world's most powerful heat conductor, works in tandem with BIO IONIC Moisturizing Heat, to create the softest, shiniest curls while protecting hair from heat damage. The 1. 25" extended length barrel (2" longer than a typical curling iron) quickly creates loose waves and soft curls that last around the clock . Benefits: Create gorgeous long lasting curls with 5X less damage 2" longer barrel