Designed in Korea, the Tao professional Nano titanium 1 3/8″ flat iron is a durable salon quality hair tool. Ultra-slim profile: Lightweight, ergonomic design allows close access to the roots and adapts easily to your styling techniques ion generator: Constantly produces millions of negative ions to seal the cuticle, protect moisture, and maximize shine instant heat: Delivers high, even temperatures without damaging hot spots. Multi-functional: The outer sides of the plates heat up to make curls, curves, waves or flips.