Andis 2" Nano-Silver Tourmaline Clamp Flat Iron...Nano-Silver technology with real silver has anti-bacterial properties; Tourmaline crystals, crushed from precious gemstones, emit negative ions that quickly seal the cuticle and eliminate frizz for smoother silkier hair; Ceramic plates preserve moisture, creating incredible luster and shine; 20 variable heat settings for all hair types; Fast 30 second heat-up; Lets you flip, shape, control and smooth hair; Closing lock for easy storage.