Ceramic coated hair brush + Ionic Technology Size 2-3/4 inch - Diameter Latest Ceramic Technology. Ceramic coated barrel. Heats up faster & retains heat longer. Tourmaline Ion Technology. Hydrates the cuticle. Adds more shine to the hair. Eliminates frizz & flyaways. Unique Patented Design. 100% Seamless body. Absolutely snag-free. Ergonomic comfort grip