2" longer barrel than average for longer hair and ease with back of head styling Cool touch grip for easy curling 6 variable heat settings for various hair types The extended barrel design allows you to curl the back of your head easier whether the hair is short or long. The combination of Nanonioc MX and Bio Ionic Moisturizing Heat lock in moisture, seal the cuticle, and ensure curls last long, and stay conditioned and bouncy instead of dull and limp.